18218200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2$

素因数の和:67

約数の個数: 216

約数和(自身を含む): 58204980

約数和(自身を除く): 39986780

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 40, 44, 49, 50, 52, 55, 56, 65, 70, 77, 88, 91, 98, 100, 104, 110, 130, 140, 143, 154, 169, 175, 182, 196, 200, 220, 245, 260, 275, 280, 286, 308, 325, 338, 350, 364, 385, 392, 440, 455, 490, 520, 539, 550, 572, 616, 637, 650, 676, 700, 715, 728, 770, 845, 910, 980, 1001, 1078, 1100, 1144, 1183, 1225, 1274, 1300, 1352, 1400, 1430, 1540, 1690, 1820, 1859, 1925, 1960, 2002, 2156, 2200, 2275, 2366, 2450, 2548, 2600, 2695, 2860, 3080, 3185, 3380, 3575, 3640, 3718, 3850, 4004, 4225, 4312, 4550, 4732, 4900, 5005, 5096, 5390, 5720, 5915, 6370, 6760, 7007, 7150, 7436, 7700, 8008, 8281, 8450, 9100, 9295, 9464, 9800, 10010, 10780, 11830, 12740, 13013, 13475, 14014, 14300, 14872, 15400, 15925, 16562, 16900, 18200, 18590, 20020, 21560, 23660, 25025, 25480, 26026, 26950, 28028, 28600, 29575, 31850, 33124, 33800, 35035, 37180, 40040, 41405, 46475, 47320, 50050, 52052, 53900, 56056, 59150, 63700, 65065, 66248, 70070, 74360, 82810, 91091, 92950, 100100, 104104, 107800, 118300, 127400, 130130, 140140, 165620, 175175, 182182, 185900, 200200, 207025, 236600, 260260, 280280, 325325, 331240, 350350, 364364, 371800, 414050, 455455, 520520, 650650, 700700, 728728, 828100, 910910, 1301300, 1401400, 1656200, 1821820, 2277275, 2602600, 3643640, 4554550, 9109100, 18218200]

約数ペア:

[(1, 18218200), (2, 9109100), (4, 4554550), (5, 3643640), (7, 2602600), (8, 2277275), (10, 1821820), (11, 1656200), (13, 1401400), (14, 1301300), (20, 910910), (22, 828100), (25, 728728), (26, 700700), (28, 650650), (35, 520520), (40, 455455), (44, 414050), (49, 371800), (50, 364364), (52, 350350), (55, 331240), (56, 325325), (65, 280280), (70, 260260), (77, 236600), (88, 207025), (91, 200200), (98, 185900), (100, 182182), (104, 175175), (110, 165620), (130, 140140), (140, 130130), (143, 127400), (154, 118300), (169, 107800), (175, 104104), (182, 100100), (196, 92950), (200, 91091), (220, 82810), (245, 74360), (260, 70070), (275, 66248), (280, 65065), (286, 63700), (308, 59150), (325, 56056), (338, 53900), (350, 52052), (364, 50050), (385, 47320), (392, 46475), (440, 41405), (455, 40040), (490, 37180), (520, 35035), (539, 33800), (550, 33124), (572, 31850), (616, 29575), (637, 28600), (650, 28028), (676, 26950), (700, 26026), (715, 25480), (728, 25025), (770, 23660), (845, 21560), (910, 20020), (980, 18590), (1001, 18200), (1078, 16900), (1100, 16562), (1144, 15925), (1183, 15400), (1225, 14872), (1274, 14300), (1300, 14014), (1352, 13475), (1400, 13013), (1430, 12740), (1540, 11830), (1690, 10780), (1820, 10010), (1859, 9800), (1925, 9464), (1960, 9295), (2002, 9100), (2156, 8450), (2200, 8281), (2275, 8008), (2366, 7700), (2450, 7436), (2548, 7150), (2600, 7007), (2695, 6760), (2860, 6370), (3080, 5915), (3185, 5720), (3380, 5390), (3575, 5096), (3640, 5005), (3718, 4900), (3850, 4732), (4004, 4550), (4225, 4312)]