19393240

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3701}}^1$

素因数の和:3843

約数の個数: 32

約数和(自身を含む): 43979760

約数和(自身を除く): 24586520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3701, 5240, 7402, 14804, 18505, 29608, 37010, 74020, 148040, 484831, 969662, 1939324, 2424155, 3878648, 4848310, 9696620, 19393240]

約数ペア:

[(1, 19393240), (2, 9696620), (4, 4848310), (5, 3878648), (8, 2424155), (10, 1939324), (20, 969662), (40, 484831), (131, 148040), (262, 74020), (524, 37010), (655, 29608), (1048, 18505), (1310, 14804), (2620, 7402), (3701, 5240)]