18600478

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:628

約数の個数: 24

約数和(自身を含む): 30541968

約数和(自身を除く): 11941490

約数列:

[1, 2, 13, 26, 113, 169, 226, 338, 487, 974, 1469, 2938, 6331, 12662, 19097, 38194, 55031, 82303, 110062, 164606, 715403, 1430806, 9300239, 18600478]

約数ペア:

[(1, 18600478), (2, 9300239), (13, 1430806), (26, 715403), (113, 164606), (169, 110062), (226, 82303), (338, 55031), (487, 38194), (974, 19097), (1469, 12662), (2938, 6331)]