19640296

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 39997440

約数和(自身を除く): 20357144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1487, 1651, 2974, 3302, 5948, 6604, 11896, 13208, 19331, 38662, 77324, 154648, 188849, 377698, 755396, 1510792, 2455037, 4910074, 9820148, 19640296]

約数ペア:

[(1, 19640296), (2, 9820148), (4, 4910074), (8, 2455037), (13, 1510792), (26, 755396), (52, 377698), (104, 188849), (127, 154648), (254, 77324), (508, 38662), (1016, 19331), (1487, 13208), (1651, 11896), (2974, 6604), (3302, 5948)]