18454716

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 56376320

約数和(自身を除く): 37921604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 79, 81, 84, 103, 108, 126, 158, 162, 189, 206, 237, 252, 309, 316, 324, 378, 412, 474, 553, 567, 618, 711, 721, 756, 927, 948, 1106, 1134, 1236, 1422, 1442, 1659, 1854, 2133, 2163, 2212, 2268, 2781, 2844, 2884, 3318, 3708, 4266, 4326, 4977, 5562, 6399, 6489, 6636, 8137, 8343, 8532, 8652, 9954, 11124, 12798, 12978, 14931, 16274, 16686, 19467, 19908, 24411, 25596, 25956, 29862, 32548, 33372, 38934, 44793, 48822, 56959, 58401, 59724, 73233, 77868, 89586, 97644, 113918, 116802, 146466, 170877, 179172, 219699, 227836, 233604, 292932, 341754, 439398, 512631, 659097, 683508, 878796, 1025262, 1318194, 1537893, 2050524, 2636388, 3075786, 4613679, 6151572, 9227358, 18454716]

約数ペア:

[(1, 18454716), (2, 9227358), (3, 6151572), (4, 4613679), (6, 3075786), (7, 2636388), (9, 2050524), (12, 1537893), (14, 1318194), (18, 1025262), (21, 878796), (27, 683508), (28, 659097), (36, 512631), (42, 439398), (54, 341754), (63, 292932), (79, 233604), (81, 227836), (84, 219699), (103, 179172), (108, 170877), (126, 146466), (158, 116802), (162, 113918), (189, 97644), (206, 89586), (237, 77868), (252, 73233), (309, 59724), (316, 58401), (324, 56959), (378, 48822), (412, 44793), (474, 38934), (553, 33372), (567, 32548), (618, 29862), (711, 25956), (721, 25596), (756, 24411), (927, 19908), (948, 19467), (1106, 16686), (1134, 16274), (1236, 14931), (1422, 12978), (1442, 12798), (1659, 11124), (1854, 9954), (2133, 8652), (2163, 8532), (2212, 8343), (2268, 8137), (2781, 6636), (2844, 6489), (2884, 6399), (3318, 5562), (3708, 4977), (4266, 4326)]