19758850

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2843}}^1$

素因数の和:2994

約数の個数: 24

約数和(自身を含む): 37028880

約数和(自身を除く): 17270030

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 2843, 3475, 5686, 6950, 14215, 28430, 71075, 142150, 395177, 790354, 1975885, 3951770, 9879425, 19758850]

約数ペア:

[(1, 19758850), (2, 9879425), (5, 3951770), (10, 1975885), (25, 790354), (50, 395177), (139, 142150), (278, 71075), (695, 28430), (1390, 14215), (2843, 6950), (3475, 5686)]