18675660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2089}}^1$

素因数の和:2250

約数の個数: 48

約数和(自身を含む): 52668000

約数和(自身を除く): 33992340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2089, 2235, 2980, 4178, 4470, 6267, 8356, 8940, 10445, 12534, 20890, 25068, 31335, 41780, 62670, 125340, 311261, 622522, 933783, 1245044, 1556305, 1867566, 3112610, 3735132, 4668915, 6225220, 9337830, 18675660]

約数ペア:

[(1, 18675660), (2, 9337830), (3, 6225220), (4, 4668915), (5, 3735132), (6, 3112610), (10, 1867566), (12, 1556305), (15, 1245044), (20, 933783), (30, 622522), (60, 311261), (149, 125340), (298, 62670), (447, 41780), (596, 31335), (745, 25068), (894, 20890), (1490, 12534), (1788, 10445), (2089, 8940), (2235, 8356), (2980, 6267), (4178, 4470)]