18433375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 32

約数和(自身を含む): 24440832

約数和(自身を除く): 6007457

約数列:

[1, 5, 25, 31, 67, 71, 125, 155, 335, 355, 775, 1675, 1775, 2077, 2201, 3875, 4757, 8375, 8875, 10385, 11005, 23785, 51925, 55025, 118925, 147467, 259625, 275125, 594625, 737335, 3686675, 18433375]

約数ペア:

[(1, 18433375), (5, 3686675), (25, 737335), (31, 594625), (67, 275125), (71, 259625), (125, 147467), (155, 118925), (335, 55025), (355, 51925), (775, 23785), (1675, 11005), (1775, 10385), (2077, 8875), (2201, 8375), (3875, 4757)]