1821260432

素因数分解:

$2^4\times {\mathrm{1303}}^1\times {\mathrm{87359}}^1$

素因数の和:88670

約数の個数: 20

約数和(自身を含む): 3531440640

約数和(自身を除く): 1710180208

約数列:

[1, 2, 4, 8, 16, 1303, 2606, 5212, 10424, 20848, 87359, 174718, 349436, 698872, 1397744, 113828777, 227657554, 455315108, 910630216, 1821260432]

約数ペア:

[(1, 1821260432), (2, 910630216), (4, 455315108), (8, 227657554), (16, 113828777), (1303, 1397744), (2606, 698872), (5212, 349436), (10424, 174718), (20848, 87359)]