18219420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{797}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 55770624

約数和(自身を除く): 37551204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 127, 180, 254, 381, 508, 635, 762, 797, 1143, 1270, 1524, 1594, 1905, 2286, 2391, 2540, 3188, 3810, 3985, 4572, 4782, 5715, 7173, 7620, 7970, 9564, 11430, 11955, 14346, 15940, 22860, 23910, 28692, 35865, 47820, 71730, 101219, 143460, 202438, 303657, 404876, 506095, 607314, 910971, 1012190, 1214628, 1518285, 1821942, 2024380, 3036570, 3643884, 4554855, 6073140, 9109710, 18219420]

約数ペア:

[(1, 18219420), (2, 9109710), (3, 6073140), (4, 4554855), (5, 3643884), (6, 3036570), (9, 2024380), (10, 1821942), (12, 1518285), (15, 1214628), (18, 1012190), (20, 910971), (30, 607314), (36, 506095), (45, 404876), (60, 303657), (90, 202438), (127, 143460), (180, 101219), (254, 71730), (381, 47820), (508, 35865), (635, 28692), (762, 23910), (797, 22860), (1143, 15940), (1270, 14346), (1524, 11955), (1594, 11430), (1905, 9564), (2286, 7970), (2391, 7620), (2540, 7173), (3188, 5715), (3810, 4782), (3985, 4572)]