19421488

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{2897}}^1$

素因数の和:3324

約数の個数: 20

約数和(自身を含む): 37731960

約数和(自身を除く): 18310472

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 2897, 3352, 5794, 6704, 11588, 23176, 46352, 1213843, 2427686, 4855372, 9710744, 19421488]

約数ペア:

[(1, 19421488), (2, 9710744), (4, 4855372), (8, 2427686), (16, 1213843), (419, 46352), (838, 23176), (1676, 11588), (2897, 6704), (3352, 5794)]