18283993

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 6101543

約数列:

[1, 7, 13, 17, 53, 91, 119, 221, 223, 371, 689, 901, 1547, 1561, 2899, 3791, 4823, 6307, 11713, 11819, 20293, 26537, 49283, 81991, 82733, 153647, 200923, 344981, 1075529, 1406461, 2611999, 18283993]

約数ペア:

[(1, 18283993), (7, 2611999), (13, 1406461), (17, 1075529), (53, 344981), (91, 200923), (119, 153647), (221, 82733), (223, 81991), (371, 49283), (689, 26537), (901, 20293), (1547, 11819), (1561, 11713), (2899, 6307), (3791, 4823)]