19652816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{72253}}^1$

素因数の和:72278

約数の個数: 20

約数和(自身を含む): 40317732

約数和(自身を除く): 20664916

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 72253, 144506, 289012, 578024, 1156048, 1228301, 2456602, 4913204, 9826408, 19652816]

約数ペア:

[(1, 19652816), (2, 9826408), (4, 4913204), (8, 2456602), (16, 1228301), (17, 1156048), (34, 578024), (68, 289012), (136, 144506), (272, 72253)]