18589720

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7877}}^1$

素因数の和:7947

約数の個数: 32

約数和(自身を含む): 42541200

約数和(自身を除く): 23951480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 7877, 15754, 31508, 39385, 63016, 78770, 157540, 315080, 464743, 929486, 1858972, 2323715, 3717944, 4647430, 9294860, 18589720]

約数ペア:

[(1, 18589720), (2, 9294860), (4, 4647430), (5, 3717944), (8, 2323715), (10, 1858972), (20, 929486), (40, 464743), (59, 315080), (118, 157540), (236, 78770), (295, 63016), (472, 39385), (590, 31508), (1180, 15754), (2360, 7877)]