18540705

素因数分解:

$3^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1213}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 29718720

約数和(自身を除く): 11178015

約数列:

[1, 3, 5, 15, 1019, 1213, 3057, 3639, 5095, 6065, 15285, 18195, 1236047, 3708141, 6180235, 18540705]

約数ペア:

[(1, 18540705), (3, 6180235), (5, 3708141), (15, 1236047), (1019, 18195), (1213, 15285), (3057, 6065), (3639, 5095)]