19013360

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1161

約数の個数: 40

約数和(自身を含む): 44419776

約数和(自身を除く): 25406416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 877, 1084, 1355, 1754, 2168, 2710, 3508, 4336, 4385, 5420, 7016, 8770, 10840, 14032, 17540, 21680, 35080, 70160, 237667, 475334, 950668, 1188335, 1901336, 2376670, 3802672, 4753340, 9506680, 19013360]

約数ペア:

[(1, 19013360), (2, 9506680), (4, 4753340), (5, 3802672), (8, 2376670), (10, 1901336), (16, 1188335), (20, 950668), (40, 475334), (80, 237667), (271, 70160), (542, 35080), (877, 21680), (1084, 17540), (1355, 14032), (1754, 10840), (2168, 8770), (2710, 7016), (3508, 5420), (4336, 4385)]