19187863198

素因数分解:

$2^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{2172047}}^1$

素因数の和:2172687

約数の個数: 16

約数和(自身を含む): 32945624064

約数和(自身を除く): 13757760866

約数列:

[1, 2, 7, 14, 631, 1262, 4417, 8834, 2172047, 4344094, 15204329, 30408658, 1370561657, 2741123314, 9593931599, 19187863198]

約数ペア:

[(1, 19187863198), (2, 9593931599), (7, 2741123314), (14, 1370561657), (631, 30408658), (1262, 15204329), (4417, 4344094), (8834, 2172047)]