19419978

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{887}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 40279680

約数和(自身を除く): 20859702

約数列:

[1, 2, 3, 6, 41, 82, 89, 123, 178, 246, 267, 534, 887, 1774, 2661, 3649, 5322, 7298, 10947, 21894, 36367, 72734, 78943, 109101, 157886, 218202, 236829, 473658, 3236663, 6473326, 9709989, 19419978]

約数ペア:

[(1, 19419978), (2, 9709989), (3, 6473326), (6, 3236663), (41, 473658), (82, 236829), (89, 218202), (123, 157886), (178, 109101), (246, 78943), (267, 72734), (534, 36367), (887, 21894), (1774, 10947), (2661, 7298), (3649, 5322)]