19086625

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 32

約数和(自身を含む): 25204608

約数和(自身を除く): 6117983

約数列:

[1, 5, 25, 43, 53, 67, 125, 215, 265, 335, 1075, 1325, 1675, 2279, 2881, 3551, 5375, 6625, 8375, 11395, 14405, 17755, 56975, 72025, 88775, 152693, 284875, 360125, 443875, 763465, 3817325, 19086625]

約数ペア:

[(1, 19086625), (5, 3817325), (25, 763465), (43, 443875), (53, 360125), (67, 284875), (125, 152693), (215, 88775), (265, 72025), (335, 56975), (1075, 17755), (1325, 14405), (1675, 11395), (2279, 8375), (2881, 6625), (3551, 5375)]