18843240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 62415360

約数和(自身を除く): 43572120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 257, 260, 282, 312, 376, 390, 470, 514, 520, 564, 611, 705, 771, 780, 940, 1028, 1128, 1222, 1285, 1410, 1542, 1560, 1833, 1880, 2056, 2444, 2570, 2820, 3055, 3084, 3341, 3666, 3855, 4888, 5140, 5640, 6110, 6168, 6682, 7332, 7710, 9165, 10023, 10280, 12079, 12220, 13364, 14664, 15420, 16705, 18330, 20046, 24158, 24440, 26728, 30840, 33410, 36237, 36660, 40092, 48316, 50115, 60395, 66820, 72474, 73320, 80184, 96632, 100230, 120790, 133640, 144948, 157027, 181185, 200460, 241580, 289896, 314054, 362370, 400920, 471081, 483160, 628108, 724740, 785135, 942162, 1256216, 1449480, 1570270, 1884324, 2355405, 3140540, 3768648, 4710810, 6281080, 9421620, 18843240]

約数ペア:

[(1, 18843240), (2, 9421620), (3, 6281080), (4, 4710810), (5, 3768648), (6, 3140540), (8, 2355405), (10, 1884324), (12, 1570270), (13, 1449480), (15, 1256216), (20, 942162), (24, 785135), (26, 724740), (30, 628108), (39, 483160), (40, 471081), (47, 400920), (52, 362370), (60, 314054), (65, 289896), (78, 241580), (94, 200460), (104, 181185), (120, 157027), (130, 144948), (141, 133640), (156, 120790), (188, 100230), (195, 96632), (235, 80184), (257, 73320), (260, 72474), (282, 66820), (312, 60395), (376, 50115), (390, 48316), (470, 40092), (514, 36660), (520, 36237), (564, 33410), (611, 30840), (705, 26728), (771, 24440), (780, 24158), (940, 20046), (1028, 18330), (1128, 16705), (1222, 15420), (1285, 14664), (1410, 13364), (1542, 12220), (1560, 12079), (1833, 10280), (1880, 10023), (2056, 9165), (2444, 7710), (2570, 7332), (2820, 6682), (3055, 6168), (3084, 6110), (3341, 5640), (3666, 5140), (3855, 4888)]