15212988

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{20123}}^1$

素因数の和:20143

約数の個数: 48

約数和(自身を含む): 45077760

約数和(自身を除く): 29864772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 20123, 40246, 60369, 80492, 120738, 140861, 181107, 241476, 281722, 362214, 422583, 543321, 563444, 724428, 845166, 1086642, 1267749, 1690332, 2173284, 2535498, 3803247, 5070996, 7606494, 15212988]

約数ペア:

[(1, 15212988), (2, 7606494), (3, 5070996), (4, 3803247), (6, 2535498), (7, 2173284), (9, 1690332), (12, 1267749), (14, 1086642), (18, 845166), (21, 724428), (27, 563444), (28, 543321), (36, 422583), (42, 362214), (54, 281722), (63, 241476), (84, 181107), (108, 140861), (126, 120738), (189, 80492), (252, 60369), (378, 40246), (756, 20123)]