19704312

素因数分解:

$2^3\times 3^2\times {\mathrm{103}}^1\times {\mathrm{2657}}^1$

素因数の和:2772

約数の個数: 48

約数和(自身を含む): 53904240

約数和(自身を除く): 34199928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 103, 206, 309, 412, 618, 824, 927, 1236, 1854, 2472, 2657, 3708, 5314, 7416, 7971, 10628, 15942, 21256, 23913, 31884, 47826, 63768, 95652, 191304, 273671, 547342, 821013, 1094684, 1642026, 2189368, 2463039, 3284052, 4926078, 6568104, 9852156, 19704312]

約数ペア:

[(1, 19704312), (2, 9852156), (3, 6568104), (4, 4926078), (6, 3284052), (8, 2463039), (9, 2189368), (12, 1642026), (18, 1094684), (24, 821013), (36, 547342), (72, 273671), (103, 191304), (206, 95652), (309, 63768), (412, 47826), (618, 31884), (824, 23913), (927, 21256), (1236, 15942), (1854, 10628), (2472, 7971), (2657, 7416), (3708, 5314)]