16631992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{443}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 35524440

約数和(自身を除く): 18892448

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 443, 494, 722, 886, 988, 1444, 1772, 1976, 2888, 3544, 4693, 5759, 8417, 9386, 11518, 16834, 18772, 23036, 33668, 37544, 46072, 67336, 109421, 159923, 218842, 319846, 437684, 639692, 875368, 1279384, 2078999, 4157998, 8315996, 16631992]

約数ペア:

[(1, 16631992), (2, 8315996), (4, 4157998), (8, 2078999), (13, 1279384), (19, 875368), (26, 639692), (38, 437684), (52, 319846), (76, 218842), (104, 159923), (152, 109421), (247, 67336), (361, 46072), (443, 37544), (494, 33668), (722, 23036), (886, 18772), (988, 16834), (1444, 11518), (1772, 9386), (1976, 8417), (2888, 5759), (3544, 4693)]