19473520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22129}}^1$

素因数の和:22153

約数の個数: 40

約数和(自身を含む): 49394160

約数和(自身を除く): 29920640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22129, 44258, 88516, 110645, 177032, 221290, 243419, 354064, 442580, 486838, 885160, 973676, 1217095, 1770320, 1947352, 2434190, 3894704, 4868380, 9736760, 19473520]

約数ペア:

[(1, 19473520), (2, 9736760), (4, 4868380), (5, 3894704), (8, 2434190), (10, 1947352), (11, 1770320), (16, 1217095), (20, 973676), (22, 885160), (40, 486838), (44, 442580), (55, 354064), (80, 243419), (88, 221290), (110, 177032), (176, 110645), (220, 88516), (440, 44258), (880, 22129)]