18864025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 24909120

約数和(自身を除く): 6045095

約数列:

[1, 5, 23, 25, 53, 115, 265, 575, 619, 1219, 1325, 3095, 6095, 14237, 15475, 30475, 32807, 71185, 164035, 355925, 754561, 820175, 3772805, 18864025]

約数ペア:

[(1, 18864025), (5, 3772805), (23, 820175), (25, 754561), (53, 355925), (115, 164035), (265, 71185), (575, 32807), (619, 30475), (1219, 15475), (1325, 14237), (3095, 6095)]