19202480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21821}}^1$

素因数の和:21845

約数の個数: 40

約数和(自身を含む): 48706704

約数和(自身を除く): 29504224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21821, 43642, 87284, 109105, 174568, 218210, 240031, 349136, 436420, 480062, 872840, 960124, 1200155, 1745680, 1920248, 2400310, 3840496, 4800620, 9601240, 19202480]

約数ペア:

[(1, 19202480), (2, 9601240), (4, 4800620), (5, 3840496), (8, 2400310), (10, 1920248), (11, 1745680), (16, 1200155), (20, 960124), (22, 872840), (40, 480062), (44, 436420), (55, 349136), (80, 240031), (88, 218210), (110, 174568), (176, 109105), (220, 87284), (440, 43642), (880, 21821)]