18263220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3853}}^1$

素因数の和:3944

約数の個数: 48

約数和(自身を含む): 51797760

約数和(自身を除く): 33534540

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, 3853, 4740, 7706, 11559, 15412, 19265, 23118, 38530, 46236, 57795, 77060, 115590, 231180, 304387, 608774, 913161, 1217548, 1521935, 1826322, 3043870, 3652644, 4565805, 6087740, 9131610, 18263220]

約数ペア:

[(1, 18263220), (2, 9131610), (3, 6087740), (4, 4565805), (5, 3652644), (6, 3043870), (10, 1826322), (12, 1521935), (15, 1217548), (20, 913161), (30, 608774), (60, 304387), (79, 231180), (158, 115590), (237, 77060), (316, 57795), (395, 46236), (474, 38530), (790, 23118), (948, 19265), (1185, 15412), (1580, 11559), (2370, 7706), (3853, 4740)]