19615980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17207}}^1$

素因数の和:17238

約数の個数: 48

約数和(自身を含む): 57818880

約数和(自身を除く): 38202900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17207, 34414, 51621, 68828, 86035, 103242, 172070, 206484, 258105, 326933, 344140, 516210, 653866, 980799, 1032420, 1307732, 1634665, 1961598, 3269330, 3923196, 4903995, 6538660, 9807990, 19615980]

約数ペア:

[(1, 19615980), (2, 9807990), (3, 6538660), (4, 4903995), (5, 3923196), (6, 3269330), (10, 1961598), (12, 1634665), (15, 1307732), (19, 1032420), (20, 980799), (30, 653866), (38, 516210), (57, 344140), (60, 326933), (76, 258105), (95, 206484), (114, 172070), (190, 103242), (228, 86035), (285, 68828), (380, 51621), (570, 34414), (1140, 17207)]