18813240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{52259}}^1$

素因数の和:52276

約数の個数: 48

約数和(自身を含む): 61144200

約数和(自身を除く): 42330960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 52259, 104518, 156777, 209036, 261295, 313554, 418072, 470331, 522590, 627108, 783885, 940662, 1045180, 1254216, 1567770, 1881324, 2090360, 2351655, 3135540, 3762648, 4703310, 6271080, 9406620, 18813240]

約数ペア:

[(1, 18813240), (2, 9406620), (3, 6271080), (4, 4703310), (5, 3762648), (6, 3135540), (8, 2351655), (9, 2090360), (10, 1881324), (12, 1567770), (15, 1254216), (18, 1045180), (20, 940662), (24, 783885), (30, 627108), (36, 522590), (40, 470331), (45, 418072), (60, 313554), (72, 261295), (90, 209036), (120, 156777), (180, 104518), (360, 52259)]