18333220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 40466160

約数和(自身を除く): 22132940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 433, 580, 730, 866, 1460, 1732, 2117, 2165, 4234, 4330, 8468, 8660, 10585, 12557, 21170, 25114, 31609, 42340, 50228, 62785, 63218, 125570, 126436, 158045, 251140, 316090, 632180, 916661, 1833322, 3666644, 4583305, 9166610, 18333220]

約数ペア:

[(1, 18333220), (2, 9166610), (4, 4583305), (5, 3666644), (10, 1833322), (20, 916661), (29, 632180), (58, 316090), (73, 251140), (116, 158045), (145, 126436), (146, 125570), (290, 63218), (292, 62785), (365, 50228), (433, 42340), (580, 31609), (730, 25114), (866, 21170), (1460, 12557), (1732, 10585), (2117, 8660), (2165, 8468), (4234, 4330)]