19554981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 29132928

約数和(自身を除く): 9577947

約数列:

[1, 3, 17, 37, 43, 51, 111, 129, 241, 629, 723, 731, 1591, 1887, 2193, 4097, 4773, 8917, 10363, 12291, 26751, 27047, 31089, 81141, 151589, 176171, 383431, 454767, 528513, 1150293, 6518327, 19554981]

約数ペア:

[(1, 19554981), (3, 6518327), (17, 1150293), (37, 528513), (43, 454767), (51, 383431), (111, 176171), (129, 151589), (241, 81141), (629, 31089), (723, 27047), (731, 26751), (1591, 12291), (1887, 10363), (2193, 8917), (4097, 4773)]