19908110

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 37806912

約数和(自身を除く): 17898802

約数列:

[1, 2, 5, 10, 23, 46, 101, 115, 202, 230, 505, 857, 1010, 1714, 2323, 4285, 4646, 8570, 11615, 19711, 23230, 39422, 86557, 98555, 173114, 197110, 432785, 865570, 1990811, 3981622, 9954055, 19908110]

約数ペア:

[(1, 19908110), (2, 9954055), (5, 3981622), (10, 1990811), (23, 865570), (46, 432785), (101, 197110), (115, 173114), (202, 98555), (230, 86557), (505, 39422), (857, 23230), (1010, 19711), (1714, 11615), (2323, 8570), (4285, 4646)]