18188478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1193}}^1$

素因数の和:1230

約数の個数: 72

約数和(自身を含む): 49546224

約数和(自身を除く): 31357746

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1193, 1386, 1694, 2178, 2386, 2541, 3579, 5082, 7158, 7623, 8351, 10737, 13123, 15246, 16702, 21474, 25053, 26246, 39369, 50106, 75159, 78738, 91861, 118107, 144353, 150318, 183722, 236214, 275583, 288706, 433059, 551166, 826749, 866118, 1010471, 1299177, 1653498, 2020942, 2598354, 3031413, 6062826, 9094239, 18188478]

約数ペア:

[(1, 18188478), (2, 9094239), (3, 6062826), (6, 3031413), (7, 2598354), (9, 2020942), (11, 1653498), (14, 1299177), (18, 1010471), (21, 866118), (22, 826749), (33, 551166), (42, 433059), (63, 288706), (66, 275583), (77, 236214), (99, 183722), (121, 150318), (126, 144353), (154, 118107), (198, 91861), (231, 78738), (242, 75159), (363, 50106), (462, 39369), (693, 26246), (726, 25053), (847, 21474), (1089, 16702), (1193, 15246), (1386, 13123), (1694, 10737), (2178, 8351), (2386, 7623), (2541, 7158), (3579, 5082)]