19805112

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{6397}}^1$

素因数の和:6452

約数の個数: 48

約数和(自身を含む): 54894840

約数和(自身を除く): 35089728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 6397, 12794, 19191, 25588, 38382, 51176, 57573, 76764, 115146, 153528, 230292, 275071, 460584, 550142, 825213, 1100284, 1650426, 2200568, 2475639, 3300852, 4951278, 6601704, 9902556, 19805112]

約数ペア:

[(1, 19805112), (2, 9902556), (3, 6601704), (4, 4951278), (6, 3300852), (8, 2475639), (9, 2200568), (12, 1650426), (18, 1100284), (24, 825213), (36, 550142), (43, 460584), (72, 275071), (86, 230292), (129, 153528), (172, 115146), (258, 76764), (344, 57573), (387, 51176), (516, 38382), (774, 25588), (1032, 19191), (1548, 12794), (3096, 6397)]