19898868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 51093504

約数和(自身を除く): 31194636

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 127, 132, 254, 381, 508, 762, 1187, 1397, 1524, 2374, 2794, 3561, 4191, 4748, 5588, 7122, 8382, 13057, 14244, 16764, 26114, 39171, 52228, 78342, 150749, 156684, 301498, 452247, 602996, 904494, 1658239, 1808988, 3316478, 4974717, 6632956, 9949434, 19898868]

約数ペア:

[(1, 19898868), (2, 9949434), (3, 6632956), (4, 4974717), (6, 3316478), (11, 1808988), (12, 1658239), (22, 904494), (33, 602996), (44, 452247), (66, 301498), (127, 156684), (132, 150749), (254, 78342), (381, 52228), (508, 39171), (762, 26114), (1187, 16764), (1397, 14244), (1524, 13057), (2374, 8382), (2794, 7122), (3561, 5588), (4191, 4748)]