19439994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1801}}^1$

素因数の和:2070

約数の個数: 32

約数和(自身を含む): 44631936

約数和(自身を除く): 25191942

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 1801, 3598, 3602, 5397, 5403, 10794, 10806, 12607, 25214, 37821, 75642, 462857, 925714, 1388571, 2777142, 3239999, 6479998, 9719997, 19439994]

約数ペア:

[(1, 19439994), (2, 9719997), (3, 6479998), (6, 3239999), (7, 2777142), (14, 1388571), (21, 925714), (42, 462857), (257, 75642), (514, 37821), (771, 25214), (1542, 12607), (1799, 10806), (1801, 10794), (3598, 5403), (3602, 5397)]