18269560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 44284320

約数和(自身を除く): 26014760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 401, 536, 670, 680, 802, 1139, 1340, 1604, 2005, 2278, 2680, 3208, 4010, 4556, 5695, 6817, 8020, 9112, 11390, 13634, 16040, 22780, 26867, 27268, 34085, 45560, 53734, 54536, 68170, 107468, 134335, 136340, 214936, 268670, 272680, 456739, 537340, 913478, 1074680, 1826956, 2283695, 3653912, 4567390, 9134780, 18269560]

約数ペア:

[(1, 18269560), (2, 9134780), (4, 4567390), (5, 3653912), (8, 2283695), (10, 1826956), (17, 1074680), (20, 913478), (34, 537340), (40, 456739), (67, 272680), (68, 268670), (85, 214936), (134, 136340), (136, 134335), (170, 107468), (268, 68170), (335, 54536), (340, 53734), (401, 45560), (536, 34085), (670, 27268), (680, 26867), (802, 22780), (1139, 16040), (1340, 13634), (1604, 11390), (2005, 9112), (2278, 8020), (2680, 6817), (3208, 5695), (4010, 4556)]