18233936

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2293}}^1$

素因数の和:2379

約数の個数: 40

約数和(自身を含む): 40961664

約数和(自身を除く): 22727728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2293, 3976, 4586, 7952, 9172, 16051, 18344, 32102, 36688, 64204, 128408, 162803, 256816, 325606, 651212, 1139621, 1302424, 2279242, 2604848, 4558484, 9116968, 18233936]

約数ペア:

[(1, 18233936), (2, 9116968), (4, 4558484), (7, 2604848), (8, 2279242), (14, 1302424), (16, 1139621), (28, 651212), (56, 325606), (71, 256816), (112, 162803), (142, 128408), (284, 64204), (497, 36688), (568, 32102), (994, 18344), (1136, 16051), (1988, 9172), (2293, 7952), (3976, 4586)]