18878131490

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{495359}}^1$

素因数の和:495506

約数の個数: 32

約数和(自身を含む): 35237928960

約数和(自身を除く): 16359797470

約数列:

[1, 2, 5, 10, 37, 74, 103, 185, 206, 370, 515, 1030, 3811, 7622, 19055, 38110, 495359, 990718, 2476795, 4953590, 18328283, 36656566, 51021977, 91641415, 102043954, 183282830, 255109885, 510219770, 1887813149, 3775626298, 9439065745, 18878131490]

約数ペア:

[(1, 18878131490), (2, 9439065745), (5, 3775626298), (10, 1887813149), (37, 510219770), (74, 255109885), (103, 183282830), (185, 102043954), (206, 91641415), (370, 51021977), (515, 36656566), (1030, 18328283), (3811, 4953590), (7622, 2476795), (19055, 990718), (38110, 495359)]