18702940

素因数分解:

$2^2\times 5^1\times {\mathrm{935147}}^1$

素因数の和:935156

約数の個数: 12

約数和(自身を含む): 39276216

約数和(自身を除く): 20573276

約数列:

[1, 2, 4, 5, 10, 20, 935147, 1870294, 3740588, 4675735, 9351470, 18702940]

約数ペア:

[(1, 18702940), (2, 9351470), (4, 4675735), (5, 3740588), (10, 1870294), (20, 935147)]