19015480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1879}}^1$

素因数の和:1924

約数の個数: 64

約数和(自身を含む): 48729600

約数和(自身を除く): 29714120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1879, 2024, 2530, 3758, 5060, 7516, 9395, 10120, 15032, 18790, 20669, 37580, 41338, 43217, 75160, 82676, 86434, 103345, 165352, 172868, 206690, 216085, 345736, 413380, 432170, 475387, 826760, 864340, 950774, 1728680, 1901548, 2376935, 3803096, 4753870, 9507740, 19015480]

約数ペア:

[(1, 19015480), (2, 9507740), (4, 4753870), (5, 3803096), (8, 2376935), (10, 1901548), (11, 1728680), (20, 950774), (22, 864340), (23, 826760), (40, 475387), (44, 432170), (46, 413380), (55, 345736), (88, 216085), (92, 206690), (110, 172868), (115, 165352), (184, 103345), (220, 86434), (230, 82676), (253, 75160), (440, 43217), (460, 41338), (506, 37580), (920, 20669), (1012, 18790), (1265, 15032), (1879, 10120), (2024, 9395), (2530, 7516), (3758, 5060)]