18463383

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 56

約数和(自身を含む): 30778880

約数和(自身を除く): 12315497

約数列:

[1, 3, 9, 19, 27, 31, 43, 57, 81, 93, 129, 171, 243, 279, 387, 513, 589, 729, 817, 837, 1161, 1333, 1539, 1767, 2451, 2511, 3483, 3999, 4617, 5301, 7353, 7533, 10449, 11997, 13851, 15903, 22059, 22599, 25327, 31347, 35991, 47709, 66177, 75981, 107973, 143127, 198531, 227943, 323919, 429381, 595593, 683829, 971757, 2051487, 6154461, 18463383]

約数ペア:

[(1, 18463383), (3, 6154461), (9, 2051487), (19, 971757), (27, 683829), (31, 595593), (43, 429381), (57, 323919), (81, 227943), (93, 198531), (129, 143127), (171, 107973), (243, 75981), (279, 66177), (387, 47709), (513, 35991), (589, 31347), (729, 25327), (817, 22599), (837, 22059), (1161, 15903), (1333, 13851), (1539, 11997), (1767, 10449), (2451, 7533), (2511, 7353), (3483, 5301), (3999, 4617)]