19997244

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5393}}^1$

素因数の和:5506

約数の個数: 36

約数和(自身を含む): 51048816

約数和(自身を除く): 31051572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5393, 10786, 16179, 21572, 32358, 48537, 64716, 97074, 194148, 555479, 1110958, 1666437, 2221916, 3332874, 4999311, 6665748, 9998622, 19997244]

約数ペア:

[(1, 19997244), (2, 9998622), (3, 6665748), (4, 4999311), (6, 3332874), (9, 2221916), (12, 1666437), (18, 1110958), (36, 555479), (103, 194148), (206, 97074), (309, 64716), (412, 48537), (618, 32358), (927, 21572), (1236, 16179), (1854, 10786), (3708, 5393)]