18514180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 40687920

約数和(自身を除く): 22173740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 233, 274, 290, 466, 548, 580, 685, 932, 1165, 1370, 2330, 2740, 3973, 4660, 6757, 7946, 13514, 15892, 19865, 27028, 31921, 33785, 39730, 63842, 67570, 79460, 127684, 135140, 159605, 319210, 638420, 925709, 1851418, 3702836, 4628545, 9257090, 18514180]

約数ペア:

[(1, 18514180), (2, 9257090), (4, 4628545), (5, 3702836), (10, 1851418), (20, 925709), (29, 638420), (58, 319210), (116, 159605), (137, 135140), (145, 127684), (233, 79460), (274, 67570), (290, 63842), (466, 39730), (548, 33785), (580, 31921), (685, 27028), (932, 19865), (1165, 15892), (1370, 13514), (2330, 7946), (2740, 6757), (3973, 4660)]