2019945825

素因数分解:

$3^2\times 5^2\times {\mathrm{2137}}^1\times {\mathrm{4201}}^1$

素因数の和:6354

約数の個数: 36

約数和(自身を含む): 3620502028

約数和(自身を除く): 1600556203

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 2137, 4201, 6411, 10685, 12603, 19233, 21005, 32055, 37809, 53425, 63015, 96165, 105025, 160275, 189045, 315075, 480825, 945225, 8977537, 26932611, 44887685, 80797833, 134663055, 224438425, 403989165, 673315275, 2019945825]

約数ペア:

[(1, 2019945825), (3, 673315275), (5, 403989165), (9, 224438425), (15, 134663055), (25, 80797833), (45, 44887685), (75, 26932611), (225, 8977537), (2137, 945225), (4201, 480825), (6411, 315075), (10685, 189045), (12603, 160275), (19233, 105025), (21005, 96165), (32055, 63015), (37809, 53425)]