19546371

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 36

約数和(自身を含む): 31174416

約数和(自身を除く): 11628045

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 181, 213, 507, 543, 639, 923, 1521, 1629, 2353, 2769, 7059, 8307, 11999, 12851, 21177, 30589, 35997, 38553, 91767, 107991, 115659, 167063, 275301, 501189, 1503567, 2171819, 6515457, 19546371]

約数ペア:

[(1, 19546371), (3, 6515457), (9, 2171819), (13, 1503567), (39, 501189), (71, 275301), (117, 167063), (169, 115659), (181, 107991), (213, 91767), (507, 38553), (543, 35997), (639, 30589), (923, 21177), (1521, 12851), (1629, 11999), (2353, 8307), (2769, 7059)]