19149180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{727}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 34664580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 727, 878, 1317, 1454, 1756, 2181, 2195, 2634, 2908, 3635, 4362, 4390, 5268, 6585, 7270, 8724, 8780, 10905, 13170, 14540, 21810, 26340, 43620, 319153, 638306, 957459, 1276612, 1595765, 1914918, 3191530, 3829836, 4787295, 6383060, 9574590, 19149180]

約数ペア:

[(1, 19149180), (2, 9574590), (3, 6383060), (4, 4787295), (5, 3829836), (6, 3191530), (10, 1914918), (12, 1595765), (15, 1276612), (20, 957459), (30, 638306), (60, 319153), (439, 43620), (727, 26340), (878, 21810), (1317, 14540), (1454, 13170), (1756, 10905), (2181, 8780), (2195, 8724), (2634, 7270), (2908, 6585), (3635, 5268), (4362, 4390)]