18240460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1153}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 44202816

約数和(自身を除く): 25962356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1153, 1582, 2260, 2306, 3164, 3955, 4612, 5765, 7910, 8071, 11530, 15820, 16142, 23060, 32284, 40355, 80710, 130289, 161420, 260578, 521156, 651445, 912023, 1302890, 1824046, 2605780, 3648092, 4560115, 9120230, 18240460]

約数ペア:

[(1, 18240460), (2, 9120230), (4, 4560115), (5, 3648092), (7, 2605780), (10, 1824046), (14, 1302890), (20, 912023), (28, 651445), (35, 521156), (70, 260578), (113, 161420), (140, 130289), (226, 80710), (452, 40355), (565, 32284), (791, 23060), (1130, 16142), (1153, 15820), (1582, 11530), (2260, 8071), (2306, 7910), (3164, 5765), (3955, 4612)]