18502744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 37800000

約数和(自身を除く): 19297256

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 1999, 2314, 3998, 4628, 7996, 9256, 15992, 25987, 51974, 103948, 177911, 207896, 355822, 711644, 1423288, 2312843, 4625686, 9251372, 18502744]

約数ペア:

[(1, 18502744), (2, 9251372), (4, 4625686), (8, 2312843), (13, 1423288), (26, 711644), (52, 355822), (89, 207896), (104, 177911), (178, 103948), (356, 51974), (712, 25987), (1157, 15992), (1999, 9256), (2314, 7996), (3998, 4628)]