18437260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 40824000

約数和(自身を除く): 22386740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 269, 298, 460, 538, 596, 745, 1076, 1345, 1490, 2690, 2980, 3427, 5380, 6187, 6854, 12374, 13708, 17135, 24748, 30935, 34270, 40081, 61870, 68540, 80162, 123740, 160324, 200405, 400810, 801620, 921863, 1843726, 3687452, 4609315, 9218630, 18437260]

約数ペア:

[(1, 18437260), (2, 9218630), (4, 4609315), (5, 3687452), (10, 1843726), (20, 921863), (23, 801620), (46, 400810), (92, 200405), (115, 160324), (149, 123740), (230, 80162), (269, 68540), (298, 61870), (460, 40081), (538, 34270), (596, 30935), (745, 24748), (1076, 17135), (1345, 13708), (1490, 12374), (2690, 6854), (2980, 6187), (3427, 5380)]