18538406

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1079

約数の個数: 16

約数和(自身を含む): 28677840

約数和(自身を除く): 10139434

約数列:

[1, 2, 37, 74, 379, 661, 758, 1322, 14023, 24457, 28046, 48914, 250519, 501038, 9269203, 18538406]

約数ペア:

[(1, 18538406), (2, 9269203), (37, 501038), (74, 250519), (379, 48914), (661, 28046), (758, 24457), (1322, 14023)]