18638040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{155317}}^1$

素因数の和:155331

約数の個数: 32

約数和(自身を含む): 55914480

約数和(自身を除く): 37276440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 155317, 310634, 465951, 621268, 776585, 931902, 1242536, 1553170, 1863804, 2329755, 3106340, 3727608, 4659510, 6212680, 9319020, 18638040]

約数ペア:

[(1, 18638040), (2, 9319020), (3, 6212680), (4, 4659510), (5, 3727608), (6, 3106340), (8, 2329755), (10, 1863804), (12, 1553170), (15, 1242536), (20, 931902), (24, 776585), (30, 621268), (40, 465951), (60, 310634), (120, 155317)]