2019908178

素因数分解:

$2^1\times 3^4\times {\mathrm{12468569}}^1$

素因数の和:12468583

約数の個数: 20

約数和(自身を含む): 4526090910

約数和(自身を除く): 2506182732

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 12468569, 24937138, 37405707, 74811414, 112217121, 224434242, 336651363, 673302726, 1009954089, 2019908178]

約数ペア:

[(1, 2019908178), (2, 1009954089), (3, 673302726), (6, 336651363), (9, 224434242), (18, 112217121), (27, 74811414), (54, 37405707), (81, 24937138), (162, 12468569)]