18273720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{773}}^1$

素因数の和:984

約数の個数: 64

約数和(自身を含む): 55170720

約数和(自身を除く): 36897000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 773, 788, 985, 1182, 1546, 1576, 1970, 2319, 2364, 2955, 3092, 3865, 3940, 4638, 4728, 5910, 6184, 7730, 7880, 9276, 11595, 11820, 15460, 18552, 23190, 23640, 30920, 46380, 92760, 152281, 304562, 456843, 609124, 761405, 913686, 1218248, 1522810, 1827372, 2284215, 3045620, 3654744, 4568430, 6091240, 9136860, 18273720]

約数ペア:

[(1, 18273720), (2, 9136860), (3, 6091240), (4, 4568430), (5, 3654744), (6, 3045620), (8, 2284215), (10, 1827372), (12, 1522810), (15, 1218248), (20, 913686), (24, 761405), (30, 609124), (40, 456843), (60, 304562), (120, 152281), (197, 92760), (394, 46380), (591, 30920), (773, 23640), (788, 23190), (985, 18552), (1182, 15460), (1546, 11820), (1576, 11595), (1970, 9276), (2319, 7880), (2364, 7730), (2955, 6184), (3092, 5910), (3865, 4728), (3940, 4638)]