19000190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9091}}^1$

素因数の和:9128

約数の個数: 32

約数和(自身を含む): 39277440

約数和(自身を除く): 20277250

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9091, 18182, 45455, 90910, 100001, 172729, 200002, 345458, 500005, 863645, 1000010, 1727290, 1900019, 3800038, 9500095, 19000190]

約数ペア:

[(1, 19000190), (2, 9500095), (5, 3800038), (10, 1900019), (11, 1727290), (19, 1000010), (22, 863645), (38, 500005), (55, 345458), (95, 200002), (110, 172729), (190, 100001), (209, 90910), (418, 45455), (1045, 18182), (2090, 9091)]