19108804940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{7293437}}^1$

素因数の和:7293577

約数の個数: 24

約数和(自身を含む): 40434820272

約数和(自身を除く): 21326015332

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 7293437, 14586874, 29173748, 36467185, 72934370, 145868740, 955440247, 1910880494, 3821760988, 4777201235, 9554402470, 19108804940]

約数ペア:

[(1, 19108804940), (2, 9554402470), (4, 4777201235), (5, 3821760988), (10, 1910880494), (20, 955440247), (131, 145868740), (262, 72934370), (524, 36467185), (655, 29173748), (1310, 14586874), (2620, 7293437)]