19382171540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4051}}^1\times {\mathrm{7717}}^1$

素因数の和:11808

約数の個数: 48

約数和(自身を含む): 42031363584

約数和(自身を除く): 22649192044

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 4051, 7717, 8102, 15434, 16204, 20255, 30868, 38585, 40510, 77170, 81020, 125581, 154340, 239227, 251162, 478454, 502324, 627905, 956908, 1196135, 1255810, 2392270, 2511620, 4784540, 31261567, 62523134, 125046268, 156307835, 312615670, 625231340, 969108577, 1938217154, 3876434308, 4845542885, 9691085770, 19382171540]

約数ペア:

[(1, 19382171540), (2, 9691085770), (4, 4845542885), (5, 3876434308), (10, 1938217154), (20, 969108577), (31, 625231340), (62, 312615670), (124, 156307835), (155, 125046268), (310, 62523134), (620, 31261567), (4051, 4784540), (7717, 2511620), (8102, 2392270), (15434, 1255810), (16204, 1196135), (20255, 956908), (30868, 627905), (38585, 502324), (40510, 478454), (77170, 251162), (81020, 239227), (125581, 154340)]