19884410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21851}}^1$

素因数の和:21878

約数の個数: 32

約数和(自身を含む): 44053632

約数和(自身を除く): 24169222

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21851, 43702, 109255, 152957, 218510, 284063, 305914, 568126, 764785, 1420315, 1529570, 1988441, 2840630, 3976882, 9942205, 19884410]

約数ペア:

[(1, 19884410), (2, 9942205), (5, 3976882), (7, 2840630), (10, 1988441), (13, 1529570), (14, 1420315), (26, 764785), (35, 568126), (65, 305914), (70, 284063), (91, 218510), (130, 152957), (182, 109255), (455, 43702), (910, 21851)]