16838921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 21012480

約数和(自身を除く): 4173559

約数列:

[1, 11, 19, 23, 31, 113, 209, 253, 341, 437, 589, 713, 1243, 2147, 2599, 3503, 4807, 6479, 7843, 13547, 23617, 28589, 38533, 49381, 66557, 80569, 149017, 543191, 732127, 886259, 1530811, 16838921]

約数ペア:

[(1, 16838921), (11, 1530811), (19, 886259), (23, 732127), (31, 543191), (113, 149017), (209, 80569), (253, 66557), (341, 49381), (437, 38533), (589, 28589), (713, 23617), (1243, 13547), (2147, 7843), (2599, 6479), (3503, 4807)]