18440245

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1\times {\mathrm{379}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 22872960

約数和(自身を除く): 4432715

約数列:

[1, 5, 37, 185, 263, 379, 1315, 1895, 9731, 14023, 48655, 70115, 99677, 498385, 3688049, 18440245]

約数ペア:

[(1, 18440245), (5, 3688049), (37, 498385), (185, 99677), (263, 70115), (379, 48655), (1315, 14023), (1895, 9731)]