19734416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5581}}^1$

素因数の和:5619

約数の個数: 40

約数和(自身を含む): 43606584

約数和(自身を除く): 23872168

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5581, 11162, 22324, 44648, 72553, 89296, 94877, 145106, 189754, 290212, 379508, 580424, 759016, 1160848, 1233401, 1518032, 2466802, 4933604, 9867208, 19734416]

約数ペア:

[(1, 19734416), (2, 9867208), (4, 4933604), (8, 2466802), (13, 1518032), (16, 1233401), (17, 1160848), (26, 759016), (34, 580424), (52, 379508), (68, 290212), (104, 189754), (136, 145106), (208, 94877), (221, 89296), (272, 72553), (442, 44648), (884, 22324), (1768, 11162), (3536, 5581)]