18448870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 37154880

約数和(自身を除く): 18706010

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 121, 158, 193, 242, 386, 395, 605, 790, 869, 965, 1210, 1738, 1930, 2123, 4246, 4345, 8690, 9559, 10615, 15247, 19118, 21230, 23353, 30494, 46706, 47795, 76235, 95590, 116765, 152470, 167717, 233530, 335434, 838585, 1677170, 1844887, 3689774, 9224435, 18448870]

約数ペア:

[(1, 18448870), (2, 9224435), (5, 3689774), (10, 1844887), (11, 1677170), (22, 838585), (55, 335434), (79, 233530), (110, 167717), (121, 152470), (158, 116765), (193, 95590), (242, 76235), (386, 47795), (395, 46706), (605, 30494), (790, 23353), (869, 21230), (965, 19118), (1210, 15247), (1738, 10615), (1930, 9559), (2123, 8690), (4246, 4345)]