19609863

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 32524800

約数和(自身を除く): 12914937

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 659, 763, 1417, 1977, 2289, 4251, 4613, 8567, 9919, 13839, 25701, 29757, 59969, 71831, 179907, 215493, 502817, 933803, 1508451, 2801409, 6536621, 19609863]

約数ペア:

[(1, 19609863), (3, 6536621), (7, 2801409), (13, 1508451), (21, 933803), (39, 502817), (91, 215493), (109, 179907), (273, 71831), (327, 59969), (659, 29757), (763, 25701), (1417, 13839), (1977, 9919), (2289, 8567), (4251, 4613)]