19529744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93893}}^1$

素因数の和:93914

約数の個数: 20

約数和(自身を含む): 40749996

約数和(自身を除く): 21220252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93893, 187786, 375572, 751144, 1220609, 1502288, 2441218, 4882436, 9764872, 19529744]

約数ペア:

[(1, 19529744), (2, 9764872), (4, 4882436), (8, 2441218), (13, 1502288), (16, 1220609), (26, 751144), (52, 375572), (104, 187786), (208, 93893)]