18695379

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 25546752

約数和(自身を除く): 6851373

約数列:

[1, 3, 53, 159, 307, 383, 921, 1149, 16271, 20299, 48813, 60897, 117581, 352743, 6231793, 18695379]

約数ペア:

[(1, 18695379), (3, 6231793), (53, 352743), (159, 117581), (307, 60897), (383, 48813), (921, 20299), (1149, 16271)]