19725508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26371}}^1$

素因数の和:26403

約数の個数: 24

約数和(自身を含む): 39874464

約数和(自身を除く): 20148956

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 26371, 52742, 105484, 290081, 448307, 580162, 896614, 1160324, 1793228, 4931377, 9862754, 19725508]

約数ペア:

[(1, 19725508), (2, 9862754), (4, 4931377), (11, 1793228), (17, 1160324), (22, 896614), (34, 580162), (44, 448307), (68, 290081), (187, 105484), (374, 52742), (748, 26371)]