19947400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9067}}^1$

素因数の和:9094

約数の個数: 48

約数和(自身を含む): 50599440

約数和(自身を除く): 30652040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9067, 18134, 36268, 45335, 72536, 90670, 99737, 181340, 199474, 226675, 362680, 398948, 453350, 498685, 797896, 906700, 997370, 1813400, 1994740, 2493425, 3989480, 4986850, 9973700, 19947400]

約数ペア:

[(1, 19947400), (2, 9973700), (4, 4986850), (5, 3989480), (8, 2493425), (10, 1994740), (11, 1813400), (20, 997370), (22, 906700), (25, 797896), (40, 498685), (44, 453350), (50, 398948), (55, 362680), (88, 226675), (100, 199474), (110, 181340), (200, 99737), (220, 90670), (275, 72536), (440, 45335), (550, 36268), (1100, 18134), (2200, 9067)]