19343720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43963}}^1$

素因数の和:43985

約数の個数: 32

約数和(自身を含む): 47481120

約数和(自身を除く): 28137400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43963, 87926, 175852, 219815, 351704, 439630, 483593, 879260, 967186, 1758520, 1934372, 2417965, 3868744, 4835930, 9671860, 19343720]

約数ペア:

[(1, 19343720), (2, 9671860), (4, 4835930), (5, 3868744), (8, 2417965), (10, 1934372), (11, 1758520), (20, 967186), (22, 879260), (40, 483593), (44, 439630), (55, 351704), (88, 219815), (110, 175852), (220, 87926), (440, 43963)]