18629766

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 72

約数和(自身を含む): 44220384

約数和(自身を除く): 25590618

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 47, 57, 61, 94, 114, 122, 141, 171, 183, 282, 342, 361, 366, 423, 549, 722, 846, 893, 1083, 1098, 1159, 1786, 2166, 2318, 2679, 2867, 3249, 3477, 5358, 5734, 6498, 6954, 8037, 8601, 10431, 16074, 16967, 17202, 20862, 22021, 25803, 33934, 44042, 50901, 51606, 54473, 66063, 101802, 108946, 132126, 152703, 163419, 198189, 305406, 326838, 396378, 490257, 980514, 1034987, 2069974, 3104961, 6209922, 9314883, 18629766]

約数ペア:

[(1, 18629766), (2, 9314883), (3, 6209922), (6, 3104961), (9, 2069974), (18, 1034987), (19, 980514), (38, 490257), (47, 396378), (57, 326838), (61, 305406), (94, 198189), (114, 163419), (122, 152703), (141, 132126), (171, 108946), (183, 101802), (282, 66063), (342, 54473), (361, 51606), (366, 50901), (423, 44042), (549, 33934), (722, 25803), (846, 22021), (893, 20862), (1083, 17202), (1098, 16967), (1159, 16074), (1786, 10431), (2166, 8601), (2318, 8037), (2679, 6954), (2867, 6498), (3249, 5734), (3477, 5358)]