18473240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 43256160

約数和(自身を除く): 24782920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 113, 122, 134, 226, 244, 268, 305, 335, 452, 488, 536, 565, 610, 670, 904, 1130, 1220, 1340, 2260, 2440, 2680, 4087, 4520, 6893, 7571, 8174, 13786, 15142, 16348, 20435, 27572, 30284, 32696, 34465, 37855, 40870, 55144, 60568, 68930, 75710, 81740, 137860, 151420, 163480, 275720, 302840, 461831, 923662, 1847324, 2309155, 3694648, 4618310, 9236620, 18473240]

約数ペア:

[(1, 18473240), (2, 9236620), (4, 4618310), (5, 3694648), (8, 2309155), (10, 1847324), (20, 923662), (40, 461831), (61, 302840), (67, 275720), (113, 163480), (122, 151420), (134, 137860), (226, 81740), (244, 75710), (268, 68930), (305, 60568), (335, 55144), (452, 40870), (488, 37855), (536, 34465), (565, 32696), (610, 30284), (670, 27572), (904, 20435), (1130, 16348), (1220, 15142), (1340, 13786), (2260, 8174), (2440, 7571), (2680, 6893), (4087, 4520)]