18122637

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 28174720

約数和(自身を除く): 10052083

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 661, 703, 741, 1443, 1983, 2109, 8593, 9139, 12559, 24457, 25779, 27417, 37677, 73371, 163267, 317941, 464683, 489801, 953823, 1394049, 6040879, 18122637]

約数ペア:

[(1, 18122637), (3, 6040879), (13, 1394049), (19, 953823), (37, 489801), (39, 464683), (57, 317941), (111, 163267), (247, 73371), (481, 37677), (661, 27417), (703, 25779), (741, 24457), (1443, 12559), (1983, 9139), (2109, 8593)]