19617850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2437}}^1$

素因数の和:2479

約数の個数: 48

約数和(自身を含む): 43532928

約数和(自身を除く): 23915078

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2437, 4025, 4874, 8050, 12185, 17059, 24370, 34118, 56051, 60925, 85295, 112102, 121850, 170590, 280255, 392357, 426475, 560510, 784714, 852950, 1401275, 1961785, 2802550, 3923570, 9808925, 19617850]

約数ペア:

[(1, 19617850), (2, 9808925), (5, 3923570), (7, 2802550), (10, 1961785), (14, 1401275), (23, 852950), (25, 784714), (35, 560510), (46, 426475), (50, 392357), (70, 280255), (115, 170590), (161, 121850), (175, 112102), (230, 85295), (322, 60925), (350, 56051), (575, 34118), (805, 24370), (1150, 17059), (1610, 12185), (2437, 8050), (4025, 4874)]