18923220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11681}}^1$

素因数の和:11702

約数の個数: 60

約数和(自身を含む): 59367924

約数和(自身を除く): 40444704

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 11681, 23362, 35043, 46724, 58405, 70086, 105129, 116810, 140172, 175215, 210258, 233620, 315387, 350430, 420516, 525645, 630774, 700860, 946161, 1051290, 1261548, 1576935, 1892322, 2102580, 3153870, 3784644, 4730805, 6307740, 9461610, 18923220]

約数ペア:

[(1, 18923220), (2, 9461610), (3, 6307740), (4, 4730805), (5, 3784644), (6, 3153870), (9, 2102580), (10, 1892322), (12, 1576935), (15, 1261548), (18, 1051290), (20, 946161), (27, 700860), (30, 630774), (36, 525645), (45, 420516), (54, 350430), (60, 315387), (81, 233620), (90, 210258), (108, 175215), (135, 140172), (162, 116810), (180, 105129), (270, 70086), (324, 58405), (405, 46724), (540, 35043), (810, 23362), (1620, 11681)]