18165890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1693}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 34760880

約数和(自身を除く): 16594990

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 1693, 2146, 3386, 5365, 8465, 10730, 16930, 49097, 62641, 98194, 125282, 245485, 313205, 490970, 626410, 1816589, 3633178, 9082945, 18165890]

約数ペア:

[(1, 18165890), (2, 9082945), (5, 3633178), (10, 1816589), (29, 626410), (37, 490970), (58, 313205), (74, 245485), (145, 125282), (185, 98194), (290, 62641), (370, 49097), (1073, 16930), (1693, 10730), (2146, 8465), (3386, 5365)]