20181925890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{71347}}^1$

素因数の和:71816

約数の個数: 96

約数和(自身を含む): 60103555200

約数和(自身を除く): 39921629310

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 449, 630, 898, 1347, 2245, 2694, 3143, 4041, 4490, 6286, 6735, 8082, 9429, 13470, 15715, 18858, 20205, 28287, 31430, 40410, 47145, 56574, 71347, 94290, 141435, 142694, 214041, 282870, 356735, 428082, 499429, 642123, 713470, 998858, 1070205, 1284246, 1498287, 2140410, 2497145, 2996574, 3210615, 4494861, 4994290, 6421230, 7491435, 8989722, 14982870, 22474305, 32034803, 44948610, 64069606, 96104409, 160174015, 192208818, 224243621, 288313227, 320348030, 448487242, 480522045, 576626454, 672730863, 961044090, 1121218105, 1345461726, 1441566135, 2018192589, 2242436210, 2883132270, 3363654315, 4036385178, 6727308630, 10090962945, 20181925890]

約数ペア:

[(1, 20181925890), (2, 10090962945), (3, 6727308630), (5, 4036385178), (6, 3363654315), (7, 2883132270), (9, 2242436210), (10, 2018192589), (14, 1441566135), (15, 1345461726), (18, 1121218105), (21, 961044090), (30, 672730863), (35, 576626454), (42, 480522045), (45, 448487242), (63, 320348030), (70, 288313227), (90, 224243621), (105, 192208818), (126, 160174015), (210, 96104409), (315, 64069606), (449, 44948610), (630, 32034803), (898, 22474305), (1347, 14982870), (2245, 8989722), (2694, 7491435), (3143, 6421230), (4041, 4994290), (4490, 4494861), (6286, 3210615), (6735, 2996574), (8082, 2497145), (9429, 2140410), (13470, 1498287), (15715, 1284246), (18858, 1070205), (20205, 998858), (28287, 713470), (31430, 642123), (40410, 499429), (47145, 428082), (56574, 356735), (71347, 282870), (94290, 214041), (141435, 142694)]