30721898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{3221}}^1$

素因数の和:3493

約数の個数: 16

約数和(自身を含む): 48716640

約数和(自身を除く): 17994742

約数列:

[1, 2, 19, 38, 251, 502, 3221, 4769, 6442, 9538, 61199, 122398, 808471, 1616942, 15360949, 30721898]

約数ペア:

[(1, 30721898), (2, 15360949), (19, 1616942), (38, 808471), (251, 122398), (502, 61199), (3221, 9538), (4769, 6442)]