18680830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 41223168

約数和(自身を除く): 22542338

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 41, 46, 70, 82, 115, 161, 205, 230, 283, 287, 322, 410, 566, 574, 805, 943, 1415, 1435, 1610, 1886, 1981, 2830, 2870, 3962, 4715, 6509, 6601, 9430, 9905, 11603, 13018, 13202, 19810, 23206, 32545, 33005, 45563, 58015, 65090, 66010, 81221, 91126, 116030, 162442, 227815, 266869, 406105, 455630, 533738, 812210, 1334345, 1868083, 2668690, 3736166, 9340415, 18680830]

約数ペア:

[(1, 18680830), (2, 9340415), (5, 3736166), (7, 2668690), (10, 1868083), (14, 1334345), (23, 812210), (35, 533738), (41, 455630), (46, 406105), (70, 266869), (82, 227815), (115, 162442), (161, 116030), (205, 91126), (230, 81221), (283, 66010), (287, 65090), (322, 58015), (410, 45563), (566, 33005), (574, 32545), (805, 23206), (943, 19810), (1415, 13202), (1435, 13018), (1610, 11603), (1886, 9905), (1981, 9430), (2830, 6601), (2870, 6509), (3962, 4715)]