19201740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4051}}^1$

素因数の和:4142

約数の個数: 48

約数和(自身を含む): 54458880

約数和(自身を除く): 35257140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4051, 4740, 8102, 12153, 16204, 20255, 24306, 40510, 48612, 60765, 81020, 121530, 243060, 320029, 640058, 960087, 1280116, 1600145, 1920174, 3200290, 3840348, 4800435, 6400580, 9600870, 19201740]

約数ペア:

[(1, 19201740), (2, 9600870), (3, 6400580), (4, 4800435), (5, 3840348), (6, 3200290), (10, 1920174), (12, 1600145), (15, 1280116), (20, 960087), (30, 640058), (60, 320029), (79, 243060), (158, 121530), (237, 81020), (316, 60765), (395, 48612), (474, 40510), (790, 24306), (948, 20255), (1185, 16204), (1580, 12153), (2370, 8102), (4051, 4740)]