19596708

素因数分解:

$2^2\times 3^3\times {\mathrm{421}}^1\times {\mathrm{431}}^1$

素因数の和:865

約数の個数: 48

約数和(自身を含む): 51045120

約数和(自身を除く): 31448412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 421, 431, 842, 862, 1263, 1293, 1684, 1724, 2526, 2586, 3789, 3879, 5052, 5172, 7578, 7758, 11367, 11637, 15156, 15516, 22734, 23274, 45468, 46548, 181451, 362902, 544353, 725804, 1088706, 1633059, 2177412, 3266118, 4899177, 6532236, 9798354, 19596708]

約数ペア:

[(1, 19596708), (2, 9798354), (3, 6532236), (4, 4899177), (6, 3266118), (9, 2177412), (12, 1633059), (18, 1088706), (27, 725804), (36, 544353), (54, 362902), (108, 181451), (421, 46548), (431, 45468), (842, 23274), (862, 22734), (1263, 15516), (1293, 15156), (1684, 11637), (1724, 11367), (2526, 7758), (2586, 7578), (3789, 5172), (3879, 5052)]