19211751

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:792

約数の個数: 36

約数和(自身を含む): 31859568

約数和(自身を除く): 12647817

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 507, 663, 743, 1521, 1989, 2229, 2873, 6687, 8619, 9659, 12631, 25857, 28977, 37893, 86931, 113679, 125567, 164203, 376701, 492609, 1130103, 1477827, 2134639, 6403917, 19211751]

約数ペア:

[(1, 19211751), (3, 6403917), (9, 2134639), (13, 1477827), (17, 1130103), (39, 492609), (51, 376701), (117, 164203), (153, 125567), (169, 113679), (221, 86931), (507, 37893), (663, 28977), (743, 25857), (1521, 12631), (1989, 9659), (2229, 8619), (2873, 6687)]