19928016

素因数分解:

$2^4\times 3^2\times {\mathrm{138389}}^1$

素因数の和:138403

約数の個数: 30

約数和(自身を含む): 55771170

約数和(自身を除く): 35843154

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138389, 276778, 415167, 553556, 830334, 1107112, 1245501, 1660668, 2214224, 2491002, 3321336, 4982004, 6642672, 9964008, 19928016]

約数ペア:

[(1, 19928016), (2, 9964008), (3, 6642672), (4, 4982004), (6, 3321336), (8, 2491002), (9, 2214224), (12, 1660668), (16, 1245501), (18, 1107112), (24, 830334), (36, 553556), (48, 415167), (72, 276778), (144, 138389)]