19779894

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{12347}}^1$

素因数の和:12444

約数の個数: 24

約数和(自身を含む): 43341480

約数和(自身を除く): 23561586

約数列:

[1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801, 1602, 12347, 24694, 37041, 74082, 111123, 222246, 1098883, 2197766, 3296649, 6593298, 9889947, 19779894]

約数ペア:

[(1, 19779894), (2, 9889947), (3, 6593298), (6, 3296649), (9, 2197766), (18, 1098883), (89, 222246), (178, 111123), (267, 74082), (534, 37041), (801, 24694), (1602, 12347)]