19393910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 36571392

約数和(自身を除く): 17177482

約数列:

[1, 2, 5, 10, 31, 62, 73, 146, 155, 310, 365, 730, 857, 1714, 2263, 4285, 4526, 8570, 11315, 22630, 26567, 53134, 62561, 125122, 132835, 265670, 312805, 625610, 1939391, 3878782, 9696955, 19393910]

約数ペア:

[(1, 19393910), (2, 9696955), (5, 3878782), (10, 1939391), (31, 625610), (62, 312805), (73, 265670), (146, 132835), (155, 125122), (310, 62561), (365, 53134), (730, 26567), (857, 22630), (1714, 11315), (2263, 8570), (4285, 4526)]