18218370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1409}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 43856640

約数和(自身を除く): 25638270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1409, 2155, 2586, 2818, 4227, 4310, 6465, 7045, 8454, 12930, 14090, 21135, 42270, 607279, 1214558, 1821837, 3036395, 3643674, 6072790, 9109185, 18218370]

約数ペア:

[(1, 18218370), (2, 9109185), (3, 6072790), (5, 3643674), (6, 3036395), (10, 1821837), (15, 1214558), (30, 607279), (431, 42270), (862, 21135), (1293, 14090), (1409, 12930), (2155, 8454), (2586, 7045), (2818, 6465), (4227, 4310)]