19808716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3671}}^1$

素因数の和:3765

約数の個数: 24

約数和(自身を含む): 37013760

約数和(自身を除く): 17205044

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3671, 5396, 7342, 14684, 69749, 139498, 260641, 278996, 521282, 1042564, 4952179, 9904358, 19808716]

約数ペア:

[(1, 19808716), (2, 9904358), (4, 4952179), (19, 1042564), (38, 521282), (71, 278996), (76, 260641), (142, 139498), (284, 69749), (1349, 14684), (2698, 7342), (3671, 5396)]