18399636

素因数分解:

$2^2\times 3^4\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 60

約数和(自身を含む): 48634740

約数和(自身を除く): 30235104

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 162, 218, 324, 327, 436, 521, 654, 981, 1042, 1308, 1563, 1962, 2084, 2943, 3126, 3924, 4689, 5886, 6252, 8829, 9378, 11772, 14067, 17658, 18756, 28134, 35316, 42201, 56268, 56789, 84402, 113578, 168804, 170367, 227156, 340734, 511101, 681468, 1022202, 1533303, 2044404, 3066606, 4599909, 6133212, 9199818, 18399636]

約数ペア:

[(1, 18399636), (2, 9199818), (3, 6133212), (4, 4599909), (6, 3066606), (9, 2044404), (12, 1533303), (18, 1022202), (27, 681468), (36, 511101), (54, 340734), (81, 227156), (108, 170367), (109, 168804), (162, 113578), (218, 84402), (324, 56789), (327, 56268), (436, 42201), (521, 35316), (654, 28134), (981, 18756), (1042, 17658), (1308, 14067), (1563, 11772), (1962, 9378), (2084, 8829), (2943, 6252), (3126, 5886), (3924, 4689)]