18950776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3877}}^1$

素因数の和:3943

約数の個数: 32

約数和(自身を含む): 39090240

約数和(自身を除く): 20139464

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 3877, 4888, 7754, 15508, 31016, 50401, 100802, 182219, 201604, 364438, 403208, 728876, 1457752, 2368847, 4737694, 9475388, 18950776]

約数ペア:

[(1, 18950776), (2, 9475388), (4, 4737694), (8, 2368847), (13, 1457752), (26, 728876), (47, 403208), (52, 364438), (94, 201604), (104, 182219), (188, 100802), (376, 50401), (611, 31016), (1222, 15508), (2444, 7754), (3877, 4888)]