19792812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1787}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 50464512

約数和(自身を除く): 30671700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1787, 1846, 2769, 3574, 3692, 5361, 5538, 7148, 10722, 11076, 21444, 23231, 46462, 69693, 92924, 126877, 139386, 253754, 278772, 380631, 507508, 761262, 1522524, 1649401, 3298802, 4948203, 6597604, 9896406, 19792812]

約数ペア:

[(1, 19792812), (2, 9896406), (3, 6597604), (4, 4948203), (6, 3298802), (12, 1649401), (13, 1522524), (26, 761262), (39, 507508), (52, 380631), (71, 278772), (78, 253754), (142, 139386), (156, 126877), (213, 92924), (284, 69693), (426, 46462), (852, 23231), (923, 21444), (1787, 11076), (1846, 10722), (2769, 7148), (3574, 5538), (3692, 5361)]