18191607

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 11299593

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 359, 381, 399, 889, 1077, 2413, 2513, 2667, 6821, 7239, 7539, 16891, 20463, 45593, 47747, 50673, 136779, 143241, 319151, 866267, 957453, 2598801, 6063869, 18191607]

約数ペア:

[(1, 18191607), (3, 6063869), (7, 2598801), (19, 957453), (21, 866267), (57, 319151), (127, 143241), (133, 136779), (359, 50673), (381, 47747), (399, 45593), (889, 20463), (1077, 16891), (2413, 7539), (2513, 7239), (2667, 6821)]