18668052

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 51413544

約数和(自身を除く): 32745492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 113, 117, 156, 226, 234, 339, 353, 452, 468, 678, 706, 1017, 1059, 1356, 1412, 1469, 2034, 2118, 2938, 3177, 4068, 4236, 4407, 4589, 5876, 6354, 8814, 9178, 12708, 13221, 13767, 17628, 18356, 26442, 27534, 39889, 41301, 52884, 55068, 79778, 82602, 119667, 159556, 165204, 239334, 359001, 478668, 518557, 718002, 1037114, 1436004, 1555671, 2074228, 3111342, 4667013, 6222684, 9334026, 18668052]

約数ペア:

[(1, 18668052), (2, 9334026), (3, 6222684), (4, 4667013), (6, 3111342), (9, 2074228), (12, 1555671), (13, 1436004), (18, 1037114), (26, 718002), (36, 518557), (39, 478668), (52, 359001), (78, 239334), (113, 165204), (117, 159556), (156, 119667), (226, 82602), (234, 79778), (339, 55068), (353, 52884), (452, 41301), (468, 39889), (678, 27534), (706, 26442), (1017, 18356), (1059, 17628), (1356, 13767), (1412, 13221), (1469, 12708), (2034, 9178), (2118, 8814), (2938, 6354), (3177, 5876), (4068, 4589), (4236, 4407)]