18574760

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1993}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 41993640

約数和(自身を除く): 23418880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 1993, 2330, 3986, 4660, 7972, 9320, 9965, 15944, 19930, 39860, 79720, 464369, 928738, 1857476, 2321845, 3714952, 4643690, 9287380, 18574760]

約数ペア:

[(1, 18574760), (2, 9287380), (4, 4643690), (5, 3714952), (8, 2321845), (10, 1857476), (20, 928738), (40, 464369), (233, 79720), (466, 39860), (932, 19930), (1165, 15944), (1864, 9965), (1993, 9320), (2330, 7972), (3986, 4660)]