19554010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2039}}^1$

素因数の和:2190

約数の個数: 32

約数和(自身を含む): 40538880

約数和(自身を除く): 20984870

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2039, 4078, 4795, 9590, 10195, 14273, 20390, 28546, 71365, 142730, 279343, 558686, 1396715, 1955401, 2793430, 3910802, 9777005, 19554010]

約数ペア:

[(1, 19554010), (2, 9777005), (5, 3910802), (7, 2793430), (10, 1955401), (14, 1396715), (35, 558686), (70, 279343), (137, 142730), (274, 71365), (685, 28546), (959, 20390), (1370, 14273), (1918, 10195), (2039, 9590), (4078, 4795)]