19282480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4919}}^1$

素因数の和:4946

約数の個数: 60

約数和(自身を含む): 52161840

約数和(自身を除く): 32879360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4919, 9838, 19676, 24595, 34433, 39352, 49190, 68866, 78704, 98380, 137732, 172165, 196760, 241031, 275464, 344330, 393520, 482062, 550928, 688660, 964124, 1205155, 1377320, 1928248, 2410310, 2754640, 3856496, 4820620, 9641240, 19282480]

約数ペア:

[(1, 19282480), (2, 9641240), (4, 4820620), (5, 3856496), (7, 2754640), (8, 2410310), (10, 1928248), (14, 1377320), (16, 1205155), (20, 964124), (28, 688660), (35, 550928), (40, 482062), (49, 393520), (56, 344330), (70, 275464), (80, 241031), (98, 196760), (112, 172165), (140, 137732), (196, 98380), (245, 78704), (280, 68866), (392, 49190), (490, 39352), (560, 34433), (784, 24595), (980, 19676), (1960, 9838), (3920, 4919)]