19247824

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2309}}^1$

素因数の和:2838

約数の個数: 20

約数和(自身を含む): 37380420

約数和(自身を除く): 18132596

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2309, 4168, 4618, 8336, 9236, 18472, 36944, 1202989, 2405978, 4811956, 9623912, 19247824]

約数ペア:

[(1, 19247824), (2, 9623912), (4, 4811956), (8, 2405978), (16, 1202989), (521, 36944), (1042, 18472), (2084, 9236), (2309, 8336), (4168, 4618)]