18346188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:823

約数の個数: 72

約数和(自身を含む): 51078384

約数和(自身を除く): 32732196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 761, 861, 1148, 1522, 1722, 2009, 2283, 3044, 3444, 4018, 4566, 5327, 6027, 8036, 9132, 10654, 12054, 15981, 21308, 24108, 31201, 31962, 37289, 62402, 63924, 74578, 93603, 111867, 124804, 149156, 187206, 218407, 223734, 374412, 436814, 447468, 655221, 873628, 1310442, 1528849, 2620884, 3057698, 4586547, 6115396, 9173094, 18346188]

約数ペア:

[(1, 18346188), (2, 9173094), (3, 6115396), (4, 4586547), (6, 3057698), (7, 2620884), (12, 1528849), (14, 1310442), (21, 873628), (28, 655221), (41, 447468), (42, 436814), (49, 374412), (82, 223734), (84, 218407), (98, 187206), (123, 149156), (147, 124804), (164, 111867), (196, 93603), (246, 74578), (287, 63924), (294, 62402), (492, 37289), (574, 31962), (588, 31201), (761, 24108), (861, 21308), (1148, 15981), (1522, 12054), (1722, 10654), (2009, 9132), (2283, 8036), (3044, 6027), (3444, 5327), (4018, 4566)]