19528020016

素因数分解:

$2^4\times {\mathrm{1289}}^1\times {\mathrm{946859}}^1$

素因数の和:948156

約数の個数: 20

約数和(自身を含む): 37864931400

約数和(自身を除く): 18336911384

約数列:

[1, 2, 4, 8, 16, 1289, 2578, 5156, 10312, 20624, 946859, 1893718, 3787436, 7574872, 15149744, 1220501251, 2441002502, 4882005004, 9764010008, 19528020016]

約数ペア:

[(1, 19528020016), (2, 9764010008), (4, 4882005004), (8, 2441002502), (16, 1220501251), (1289, 15149744), (2578, 7574872), (5156, 3787436), (10312, 1893718), (20624, 946859)]