16918860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40283}}^1$

素因数の和:40302

約数の個数: 48

約数和(自身を含む): 54141696

約数和(自身を除く): 37222836

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 40283, 80566, 120849, 161132, 201415, 241698, 281981, 402830, 483396, 563962, 604245, 805660, 845943, 1127924, 1208490, 1409905, 1691886, 2416980, 2819810, 3383772, 4229715, 5639620, 8459430, 16918860]

約数ペア:

[(1, 16918860), (2, 8459430), (3, 5639620), (4, 4229715), (5, 3383772), (6, 2819810), (7, 2416980), (10, 1691886), (12, 1409905), (14, 1208490), (15, 1127924), (20, 845943), (21, 805660), (28, 604245), (30, 563962), (35, 483396), (42, 402830), (60, 281981), (70, 241698), (84, 201415), (105, 161132), (140, 120849), (210, 80566), (420, 40283)]