19807892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1217}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 37480296

約数和(自身を除く): 17672404

約数列:

[1, 2, 4, 13, 26, 52, 313, 626, 1217, 1252, 2434, 4069, 4868, 8138, 15821, 16276, 31642, 63284, 380921, 761842, 1523684, 4951973, 9903946, 19807892]

約数ペア:

[(1, 19807892), (2, 9903946), (4, 4951973), (13, 1523684), (26, 761842), (52, 380921), (313, 63284), (626, 31642), (1217, 16276), (1252, 15821), (2434, 8138), (4069, 4868)]