19261740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 34928340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1279, 1506, 2510, 2558, 3012, 3765, 3837, 5020, 5116, 6395, 7530, 7674, 12790, 15060, 15348, 19185, 25580, 38370, 76740, 321029, 642058, 963087, 1284116, 1605145, 1926174, 3210290, 3852348, 4815435, 6420580, 9630870, 19261740]

約数ペア:

[(1, 19261740), (2, 9630870), (3, 6420580), (4, 4815435), (5, 3852348), (6, 3210290), (10, 1926174), (12, 1605145), (15, 1284116), (20, 963087), (30, 642058), (60, 321029), (251, 76740), (502, 38370), (753, 25580), (1004, 19185), (1255, 15348), (1279, 15060), (1506, 12790), (2510, 7674), (2558, 7530), (3012, 6395), (3765, 5116), (3837, 5020)]