19444216

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 40937400

約数和(自身を除く): 21493184

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 121, 212, 242, 379, 424, 484, 583, 758, 968, 1166, 1516, 2332, 3032, 4169, 4664, 6413, 8338, 12826, 16676, 20087, 25652, 33352, 40174, 45859, 51304, 80348, 91718, 160696, 183436, 220957, 366872, 441914, 883828, 1767656, 2430527, 4861054, 9722108, 19444216]

約数ペア:

[(1, 19444216), (2, 9722108), (4, 4861054), (8, 2430527), (11, 1767656), (22, 883828), (44, 441914), (53, 366872), (88, 220957), (106, 183436), (121, 160696), (212, 91718), (242, 80348), (379, 51304), (424, 45859), (484, 40174), (583, 33352), (758, 25652), (968, 20087), (1166, 16676), (1516, 12826), (2332, 8338), (3032, 6413), (4169, 4664)]