18440025

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{4639}}^1$

素因数の和:4705

約数の個数: 24

約数和(自身を含む): 31069440

約数和(自身を除く): 12629415

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 4639, 13917, 23195, 69585, 115975, 245867, 347925, 737601, 1229335, 3688005, 6146675, 18440025]

約数ペア:

[(1, 18440025), (3, 6146675), (5, 3688005), (15, 1229335), (25, 737601), (53, 347925), (75, 245867), (159, 115975), (265, 69585), (795, 23195), (1325, 13917), (3975, 4639)]