18948810531

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{33317}}^1$

素因数の和:33460

約数の個数: 48

約数和(自身を含む): 30355629984

約数和(自身を除く): 11406819453

約数列:

[1, 3, 7, 21, 49, 53, 73, 147, 159, 219, 371, 511, 1113, 1533, 2597, 3577, 3869, 7791, 10731, 11607, 27083, 33317, 81249, 99951, 189581, 233219, 568743, 699657, 1632533, 1765801, 2432141, 4897599, 5297403, 7296423, 12360607, 17024987, 37081821, 51074961, 86524249, 119174909, 128903473, 259572747, 357524727, 386710419, 902324311, 2706972933, 6316270177, 18948810531]

約数ペア:

[(1, 18948810531), (3, 6316270177), (7, 2706972933), (21, 902324311), (49, 386710419), (53, 357524727), (73, 259572747), (147, 128903473), (159, 119174909), (219, 86524249), (371, 51074961), (511, 37081821), (1113, 17024987), (1533, 12360607), (2597, 7296423), (3577, 5297403), (3869, 4897599), (7791, 2432141), (10731, 1765801), (11607, 1632533), (27083, 699657), (33317, 568743), (81249, 233219), (99951, 189581)]