18756440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27583}}^1$

素因数の和:27611

約数の個数: 32

約数和(自身を含む): 44686080

約数和(自身を除く): 25929640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 27583, 55166, 110332, 137915, 220664, 275830, 468911, 551660, 937822, 1103320, 1875644, 2344555, 3751288, 4689110, 9378220, 18756440]

約数ペア:

[(1, 18756440), (2, 9378220), (4, 4689110), (5, 3751288), (8, 2344555), (10, 1875644), (17, 1103320), (20, 937822), (34, 551660), (40, 468911), (68, 275830), (85, 220664), (136, 137915), (170, 110332), (340, 55166), (680, 27583)]