20174821812

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1009}}^1\times {\mathrm{1237}}^1$

素因数の和:2705

約数の個数: 72

約数和(自身を含む): 51203061000

約数和(自身を除く): 31028239188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1009, 1237, 1347, 1796, 2018, 2474, 2694, 3027, 3711, 4036, 4041, 4948, 5388, 6054, 7422, 8082, 9081, 11133, 12108, 14844, 16164, 18162, 22266, 36324, 44532, 453041, 555413, 906082, 1110826, 1248133, 1359123, 1666239, 1812164, 2221652, 2496266, 2718246, 3332478, 3744399, 4077369, 4992532, 4998717, 5436492, 6664956, 7488798, 8154738, 9997434, 11233197, 14977596, 16309476, 19994868, 22466394, 44932788, 560411717, 1120823434, 1681235151, 2241646868, 3362470302, 5043705453, 6724940604, 10087410906, 20174821812]

約数ペア:

[(1, 20174821812), (2, 10087410906), (3, 6724940604), (4, 5043705453), (6, 3362470302), (9, 2241646868), (12, 1681235151), (18, 1120823434), (36, 560411717), (449, 44932788), (898, 22466394), (1009, 19994868), (1237, 16309476), (1347, 14977596), (1796, 11233197), (2018, 9997434), (2474, 8154738), (2694, 7488798), (3027, 6664956), (3711, 5436492), (4036, 4998717), (4041, 4992532), (4948, 4077369), (5388, 3744399), (6054, 3332478), (7422, 2718246), (8082, 2496266), (9081, 2221652), (11133, 1812164), (12108, 1666239), (14844, 1359123), (16164, 1248133), (18162, 1110826), (22266, 906082), (36324, 555413), (44532, 453041)]