18607240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 43623360

約数和(自身を除く): 25016120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 67, 106, 131, 134, 212, 262, 265, 268, 335, 424, 524, 530, 536, 655, 670, 1048, 1060, 1310, 1340, 2120, 2620, 2680, 3551, 5240, 6943, 7102, 8777, 13886, 14204, 17554, 17755, 27772, 28408, 34715, 35108, 35510, 43885, 55544, 69430, 70216, 71020, 87770, 138860, 142040, 175540, 277720, 351080, 465181, 930362, 1860724, 2325905, 3721448, 4651810, 9303620, 18607240]

約数ペア:

[(1, 18607240), (2, 9303620), (4, 4651810), (5, 3721448), (8, 2325905), (10, 1860724), (20, 930362), (40, 465181), (53, 351080), (67, 277720), (106, 175540), (131, 142040), (134, 138860), (212, 87770), (262, 71020), (265, 70216), (268, 69430), (335, 55544), (424, 43885), (524, 35510), (530, 35108), (536, 34715), (655, 28408), (670, 27772), (1048, 17755), (1060, 17554), (1310, 14204), (1340, 13886), (2120, 8777), (2620, 7102), (2680, 6943), (3551, 5240)]