18681190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15439}}^1$

素因数の和:15468

約数の個数: 24

約数和(自身を含む): 36963360

約数和(自身を除く): 18282170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 15439, 30878, 77195, 154390, 169829, 339658, 849145, 1698290, 1868119, 3736238, 9340595, 18681190]

約数ペア:

[(1, 18681190), (2, 9340595), (5, 3736238), (10, 1868119), (11, 1698290), (22, 849145), (55, 339658), (110, 169829), (121, 154390), (242, 77195), (605, 30878), (1210, 15439)]