19798704

素因数分解:

$2^4\times 3^2\times {\mathrm{137491}}^1$

素因数の和:137505

約数の個数: 30

約数和(自身を含む): 55409276

約数和(自身を除く): 35610572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137491, 274982, 412473, 549964, 824946, 1099928, 1237419, 1649892, 2199856, 2474838, 3299784, 4949676, 6599568, 9899352, 19798704]

約数ペア:

[(1, 19798704), (2, 9899352), (3, 6599568), (4, 4949676), (6, 3299784), (8, 2474838), (9, 2199856), (12, 1649892), (16, 1237419), (18, 1099928), (24, 824946), (36, 549964), (48, 412473), (72, 274982), (144, 137491)]