18941240

素因数分解:

$2^3\times 5^1\times {\mathrm{473531}}^1$

素因数の和:473542

約数の個数: 16

約数和(自身を含む): 42617880

約数和(自身を除く): 23676640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 473531, 947062, 1894124, 2367655, 3788248, 4735310, 9470620, 18941240]

約数ペア:

[(1, 18941240), (2, 9470620), (4, 4735310), (5, 3788248), (8, 2367655), (10, 1894124), (20, 947062), (40, 473531)]