22419020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{163}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 53326896

約数和(自身を除く): 30907876

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 163, 230, 260, 299, 326, 460, 529, 598, 652, 815, 1058, 1196, 1495, 1630, 2116, 2119, 2645, 2990, 3260, 3749, 4238, 5290, 5980, 6877, 7498, 8476, 10580, 10595, 13754, 14996, 18745, 21190, 27508, 34385, 37490, 42380, 48737, 68770, 74980, 86227, 97474, 137540, 172454, 194948, 243685, 344908, 431135, 487370, 862270, 974740, 1120951, 1724540, 2241902, 4483804, 5604755, 11209510, 22419020]

約数ペア:

[(1, 22419020), (2, 11209510), (4, 5604755), (5, 4483804), (10, 2241902), (13, 1724540), (20, 1120951), (23, 974740), (26, 862270), (46, 487370), (52, 431135), (65, 344908), (92, 243685), (115, 194948), (130, 172454), (163, 137540), (230, 97474), (260, 86227), (299, 74980), (326, 68770), (460, 48737), (529, 42380), (598, 37490), (652, 34385), (815, 27508), (1058, 21190), (1196, 18745), (1495, 14996), (1630, 13754), (2116, 10595), (2119, 10580), (2645, 8476), (2990, 7498), (3260, 6877), (3749, 5980), (4238, 5290)]