19808790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{839}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 47658240

約数和(自身を除く): 27849450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 787, 839, 1574, 1678, 2361, 2517, 3935, 4195, 4722, 5034, 7870, 8390, 11805, 12585, 23610, 25170, 660293, 1320586, 1980879, 3301465, 3961758, 6602930, 9904395, 19808790]

約数ペア:

[(1, 19808790), (2, 9904395), (3, 6602930), (5, 3961758), (6, 3301465), (10, 1980879), (15, 1320586), (30, 660293), (787, 25170), (839, 23610), (1574, 12585), (1678, 11805), (2361, 8390), (2517, 7870), (3935, 5034), (4195, 4722)]