19814880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41281}}^1$

素因数の和:41299

約数の個数: 48

約数和(自身を含む): 62418384

約数和(自身を除く): 42603504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41281, 82562, 123843, 165124, 206405, 247686, 330248, 412810, 495372, 619215, 660496, 825620, 990744, 1238430, 1320992, 1651240, 1981488, 2476860, 3302480, 3962976, 4953720, 6604960, 9907440, 19814880]

約数ペア:

[(1, 19814880), (2, 9907440), (3, 6604960), (4, 4953720), (5, 3962976), (6, 3302480), (8, 2476860), (10, 1981488), (12, 1651240), (15, 1320992), (16, 1238430), (20, 990744), (24, 825620), (30, 660496), (32, 619215), (40, 495372), (48, 412810), (60, 330248), (80, 247686), (96, 206405), (120, 165124), (160, 123843), (240, 82562), (480, 41281)]