19154512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5417}}^1$

素因数の和:5455

約数の個数: 40

約数和(自身を含む): 42325416

約数和(自身を除く): 23170904

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5417, 10834, 21668, 43336, 70421, 86672, 92089, 140842, 184178, 281684, 368356, 563368, 736712, 1126736, 1197157, 1473424, 2394314, 4788628, 9577256, 19154512]

約数ペア:

[(1, 19154512), (2, 9577256), (4, 4788628), (8, 2394314), (13, 1473424), (16, 1197157), (17, 1126736), (26, 736712), (34, 563368), (52, 368356), (68, 281684), (104, 184178), (136, 140842), (208, 92089), (221, 86672), (272, 70421), (442, 43336), (884, 21668), (1768, 10834), (3536, 5417)]