18984908

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2683}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 34945680

約数和(自身を除く): 15960772

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 2683, 3538, 5366, 7076, 10732, 77807, 155614, 163663, 311228, 327326, 654652, 4746227, 9492454, 18984908]

約数ペア:

[(1, 18984908), (2, 9492454), (4, 4746227), (29, 654652), (58, 327326), (61, 311228), (116, 163663), (122, 155614), (244, 77807), (1769, 10732), (2683, 7076), (3538, 5366)]