18740624

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1123}}^1$

素因数の和:1287

約数の個数: 40

約数和(自身を含む): 41812800

約数和(自身を除く): 23072176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1123, 1192, 2086, 2246, 2384, 4172, 4492, 7861, 8344, 8984, 15722, 16688, 17968, 31444, 62888, 125776, 167327, 334654, 669308, 1171289, 1338616, 2342578, 2677232, 4685156, 9370312, 18740624]

約数ペア:

[(1, 18740624), (2, 9370312), (4, 4685156), (7, 2677232), (8, 2342578), (14, 1338616), (16, 1171289), (28, 669308), (56, 334654), (112, 167327), (149, 125776), (298, 62888), (596, 31444), (1043, 17968), (1123, 16688), (1192, 15722), (2086, 8984), (2246, 8344), (2384, 7861), (4172, 4492)]