18243540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14479}}^1$

素因数の和:14501

約数の個数: 72

約数和(自身を含む): 63248640

約数和(自身を除く): 45005100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14479, 28958, 43437, 57916, 72395, 86874, 101353, 130311, 144790, 173748, 202706, 217185, 260622, 289580, 304059, 405412, 434370, 506765, 521244, 608118, 651555, 868740, 912177, 1013530, 1216236, 1303110, 1520295, 1824354, 2027060, 2606220, 3040590, 3648708, 4560885, 6081180, 9121770, 18243540]

約数ペア:

[(1, 18243540), (2, 9121770), (3, 6081180), (4, 4560885), (5, 3648708), (6, 3040590), (7, 2606220), (9, 2027060), (10, 1824354), (12, 1520295), (14, 1303110), (15, 1216236), (18, 1013530), (20, 912177), (21, 868740), (28, 651555), (30, 608118), (35, 521244), (36, 506765), (42, 434370), (45, 405412), (60, 304059), (63, 289580), (70, 260622), (84, 217185), (90, 202706), (105, 173748), (126, 144790), (140, 130311), (180, 101353), (210, 86874), (252, 72395), (315, 57916), (420, 43437), (630, 28958), (1260, 14479)]