18138030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 46061568

約数和(自身を除く): 27923538

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 97, 115, 138, 194, 230, 271, 291, 345, 485, 542, 582, 690, 813, 970, 1355, 1455, 1626, 2231, 2710, 2910, 4065, 4462, 6233, 6693, 8130, 11155, 12466, 13386, 18699, 22310, 26287, 31165, 33465, 37398, 52574, 62330, 66930, 78861, 93495, 131435, 157722, 186990, 262870, 394305, 604601, 788610, 1209202, 1813803, 3023005, 3627606, 6046010, 9069015, 18138030]

約数ペア:

[(1, 18138030), (2, 9069015), (3, 6046010), (5, 3627606), (6, 3023005), (10, 1813803), (15, 1209202), (23, 788610), (30, 604601), (46, 394305), (69, 262870), (97, 186990), (115, 157722), (138, 131435), (194, 93495), (230, 78861), (271, 66930), (291, 62330), (345, 52574), (485, 37398), (542, 33465), (582, 31165), (690, 26287), (813, 22310), (970, 18699), (1355, 13386), (1455, 12466), (1626, 11155), (2231, 8130), (2710, 6693), (2910, 6233), (4065, 4462)]