19964616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 57492480

約数和(自身を除く): 37527864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 151, 168, 302, 453, 604, 787, 906, 1057, 1208, 1574, 1812, 2114, 2361, 3148, 3171, 3624, 4228, 4722, 5509, 6296, 6342, 8456, 9444, 11018, 12684, 16527, 18888, 22036, 25368, 33054, 44072, 66108, 118837, 132216, 237674, 356511, 475348, 713022, 831859, 950696, 1426044, 1663718, 2495577, 2852088, 3327436, 4991154, 6654872, 9982308, 19964616]

約数ペア:

[(1, 19964616), (2, 9982308), (3, 6654872), (4, 4991154), (6, 3327436), (7, 2852088), (8, 2495577), (12, 1663718), (14, 1426044), (21, 950696), (24, 831859), (28, 713022), (42, 475348), (56, 356511), (84, 237674), (151, 132216), (168, 118837), (302, 66108), (453, 44072), (604, 33054), (787, 25368), (906, 22036), (1057, 18888), (1208, 16527), (1574, 12684), (1812, 11018), (2114, 9444), (2361, 8456), (3148, 6342), (3171, 6296), (3624, 5509), (4228, 4722)]