19903566

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2351}}^1$

素因数の和:2456

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 22771122

約数列:

[1, 2, 3, 6, 17, 34, 51, 83, 102, 166, 249, 498, 1411, 2351, 2822, 4233, 4702, 7053, 8466, 14106, 39967, 79934, 119901, 195133, 239802, 390266, 585399, 1170798, 3317261, 6634522, 9951783, 19903566]

約数ペア:

[(1, 19903566), (2, 9951783), (3, 6634522), (6, 3317261), (17, 1170798), (34, 585399), (51, 390266), (83, 239802), (102, 195133), (166, 119901), (249, 79934), (498, 39967), (1411, 14106), (2351, 8466), (2822, 7053), (4233, 4702)]