19664648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144593}}^1$

素因数の和:144616

約数の個数: 16

約数和(自身を含む): 39040380

約数和(自身を除く): 19375732

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144593, 289186, 578372, 1156744, 2458081, 4916162, 9832324, 19664648]

約数ペア:

[(1, 19664648), (2, 9832324), (4, 4916162), (8, 2458081), (17, 1156744), (34, 578372), (68, 289186), (136, 144593)]