18306520

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7757}}^1$

素因数の和:7827

約数の個数: 32

約数和(自身を含む): 41893200

約数和(自身を除く): 23586680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 7757, 15514, 31028, 38785, 62056, 77570, 155140, 310280, 457663, 915326, 1830652, 2288315, 3661304, 4576630, 9153260, 18306520]

約数ペア:

[(1, 18306520), (2, 9153260), (4, 4576630), (5, 3661304), (8, 2288315), (10, 1830652), (20, 915326), (40, 457663), (59, 310280), (118, 155140), (236, 77570), (295, 62056), (472, 38785), (590, 31028), (1180, 15514), (2360, 7757)]