18345548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4969}}^1$

素因数の和:5057

約数の個数: 24

約数和(自身を含む): 35068320

約数和(自身を除く): 16722772

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 4969, 9938, 19876, 64597, 129194, 258388, 352799, 705598, 1411196, 4586387, 9172774, 18345548]

約数ペア:

[(1, 18345548), (2, 9172774), (4, 4586387), (13, 1411196), (26, 705598), (52, 352799), (71, 258388), (142, 129194), (284, 64597), (923, 19876), (1846, 9938), (3692, 4969)]