19413328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1511}}^1$

素因数の和:1603

約数の個数: 40

約数和(自身を含む): 41622336

約数和(自身を除く): 22209008

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1511, 1606, 3022, 3212, 6044, 6424, 12088, 12848, 16621, 24176, 33242, 66484, 110303, 132968, 220606, 265936, 441212, 882424, 1213333, 1764848, 2426666, 4853332, 9706664, 19413328]

約数ペア:

[(1, 19413328), (2, 9706664), (4, 4853332), (8, 2426666), (11, 1764848), (16, 1213333), (22, 882424), (44, 441212), (73, 265936), (88, 220606), (146, 132968), (176, 110303), (292, 66484), (584, 33242), (803, 24176), (1168, 16621), (1511, 12848), (1606, 12088), (3022, 6424), (3212, 6044)]