18148415

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 22334880

約数和(自身を除く): 4186465

約数列:

[1, 5, 61, 157, 305, 379, 785, 1895, 9577, 23119, 47885, 59503, 115595, 297515, 3629683, 18148415]

約数ペア:

[(1, 18148415), (5, 3629683), (61, 297515), (157, 115595), (305, 59503), (379, 47885), (785, 23119), (1895, 9577)]