18916410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1335

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 30849990

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 29, 30, 34, 51, 58, 85, 87, 102, 145, 170, 174, 255, 290, 435, 493, 510, 870, 986, 1279, 1479, 2465, 2558, 2958, 3837, 4930, 6395, 7395, 7674, 12790, 14790, 19185, 21743, 37091, 38370, 43486, 65229, 74182, 108715, 111273, 130458, 185455, 217430, 222546, 326145, 370910, 556365, 630547, 652290, 1112730, 1261094, 1891641, 3152735, 3783282, 6305470, 9458205, 18916410]

約数ペア:

[(1, 18916410), (2, 9458205), (3, 6305470), (5, 3783282), (6, 3152735), (10, 1891641), (15, 1261094), (17, 1112730), (29, 652290), (30, 630547), (34, 556365), (51, 370910), (58, 326145), (85, 222546), (87, 217430), (102, 185455), (145, 130458), (170, 111273), (174, 108715), (255, 74182), (290, 65229), (435, 43486), (493, 38370), (510, 37091), (870, 21743), (986, 19185), (1279, 14790), (1479, 12790), (2465, 7674), (2558, 7395), (2958, 6395), (3837, 4930)]