18712482

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 41247360

約数和(自身を除く): 22534878

約数列:

[1, 2, 3, 6, 29, 41, 43, 58, 61, 82, 86, 87, 122, 123, 129, 174, 183, 246, 258, 366, 1189, 1247, 1763, 1769, 2378, 2494, 2501, 2623, 3526, 3538, 3567, 3741, 5002, 5246, 5289, 5307, 7134, 7482, 7503, 7869, 10578, 10614, 15006, 15738, 51127, 72529, 76067, 102254, 107543, 145058, 152134, 153381, 215086, 217587, 228201, 306762, 322629, 435174, 456402, 645258, 3118747, 6237494, 9356241, 18712482]

約数ペア:

[(1, 18712482), (2, 9356241), (3, 6237494), (6, 3118747), (29, 645258), (41, 456402), (43, 435174), (58, 322629), (61, 306762), (82, 228201), (86, 217587), (87, 215086), (122, 153381), (123, 152134), (129, 145058), (174, 107543), (183, 102254), (246, 76067), (258, 72529), (366, 51127), (1189, 15738), (1247, 15006), (1763, 10614), (1769, 10578), (2378, 7869), (2494, 7503), (2501, 7482), (2623, 7134), (3526, 5307), (3538, 5289), (3567, 5246), (3741, 5002)]