19720860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17299}}^1$

素因数の和:17330

約数の個数: 48

約数和(自身を含む): 58128000

約数和(自身を除く): 38407140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17299, 34598, 51897, 69196, 86495, 103794, 172990, 207588, 259485, 328681, 345980, 518970, 657362, 986043, 1037940, 1314724, 1643405, 1972086, 3286810, 3944172, 4930215, 6573620, 9860430, 19720860]

約数ペア:

[(1, 19720860), (2, 9860430), (3, 6573620), (4, 4930215), (5, 3944172), (6, 3286810), (10, 1972086), (12, 1643405), (15, 1314724), (19, 1037940), (20, 986043), (30, 657362), (38, 518970), (57, 345980), (60, 328681), (76, 259485), (95, 207588), (114, 172990), (190, 103794), (228, 86495), (285, 69196), (380, 51897), (570, 34598), (1140, 17299)]