18199790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8387}}^1$

素因数の和:8432

約数の個数: 32

約数和(自身を含む): 38651904

約数和(自身を除く): 20452114

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8387, 16774, 41935, 58709, 83870, 117418, 259997, 293545, 519994, 587090, 1299985, 1819979, 2599970, 3639958, 9099895, 18199790]

約数ペア:

[(1, 18199790), (2, 9099895), (5, 3639958), (7, 2599970), (10, 1819979), (14, 1299985), (31, 587090), (35, 519994), (62, 293545), (70, 259997), (155, 117418), (217, 83870), (310, 58709), (434, 41935), (1085, 16774), (2170, 8387)]