19275080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 48055680

約数和(自身を除く): 28780600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 617, 710, 781, 1234, 1420, 1562, 2468, 2840, 3085, 3124, 3905, 4936, 6170, 6248, 6787, 7810, 12340, 13574, 15620, 24680, 27148, 31240, 33935, 43807, 54296, 67870, 87614, 135740, 175228, 219035, 271480, 350456, 438070, 481877, 876140, 963754, 1752280, 1927508, 2409385, 3855016, 4818770, 9637540, 19275080]

約数ペア:

[(1, 19275080), (2, 9637540), (4, 4818770), (5, 3855016), (8, 2409385), (10, 1927508), (11, 1752280), (20, 963754), (22, 876140), (40, 481877), (44, 438070), (55, 350456), (71, 271480), (88, 219035), (110, 175228), (142, 135740), (220, 87614), (284, 67870), (355, 54296), (440, 43807), (568, 33935), (617, 31240), (710, 27148), (781, 24680), (1234, 15620), (1420, 13574), (1562, 12340), (2468, 7810), (2840, 6787), (3085, 6248), (3124, 6170), (3905, 4936)]