18052580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{109}}^1$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 48191220

約数和(自身を除く): 30138640

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 109, 130, 140, 169, 182, 196, 218, 245, 260, 338, 364, 436, 455, 490, 545, 637, 676, 763, 845, 910, 980, 1090, 1183, 1274, 1417, 1526, 1690, 1820, 2180, 2366, 2548, 2834, 3052, 3185, 3380, 3815, 4732, 5341, 5668, 5915, 6370, 7085, 7630, 8281, 9919, 10682, 11830, 12740, 14170, 15260, 16562, 18421, 19838, 21364, 23660, 26705, 28340, 33124, 36842, 39676, 41405, 49595, 53410, 69433, 73684, 82810, 92105, 99190, 106820, 128947, 138866, 165620, 184210, 198380, 257894, 277732, 347165, 368420, 515788, 644735, 694330, 902629, 1289470, 1388660, 1805258, 2578940, 3610516, 4513145, 9026290, 18052580]

約数ペア:

[(1, 18052580), (2, 9026290), (4, 4513145), (5, 3610516), (7, 2578940), (10, 1805258), (13, 1388660), (14, 1289470), (20, 902629), (26, 694330), (28, 644735), (35, 515788), (49, 368420), (52, 347165), (65, 277732), (70, 257894), (91, 198380), (98, 184210), (109, 165620), (130, 138866), (140, 128947), (169, 106820), (182, 99190), (196, 92105), (218, 82810), (245, 73684), (260, 69433), (338, 53410), (364, 49595), (436, 41405), (455, 39676), (490, 36842), (545, 33124), (637, 28340), (676, 26705), (763, 23660), (845, 21364), (910, 19838), (980, 18421), (1090, 16562), (1183, 15260), (1274, 14170), (1417, 12740), (1526, 11830), (1690, 10682), (1820, 9919), (2180, 8281), (2366, 7630), (2548, 7085), (2834, 6370), (3052, 5915), (3185, 5668), (3380, 5341), (3815, 4732)]