19930911

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6637}}^1$

素因数の和:6671

約数の個数: 32

約数和(自身を含む): 35685888

約数和(自身を除く): 15754977

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 6637, 19911, 46459, 73007, 86281, 139377, 219021, 258843, 511049, 603967, 949091, 1533147, 1811901, 2847273, 6643637, 19930911]

約数ペア:

[(1, 19930911), (3, 6643637), (7, 2847273), (11, 1811901), (13, 1533147), (21, 949091), (33, 603967), (39, 511049), (77, 258843), (91, 219021), (143, 139377), (231, 86281), (273, 73007), (429, 46459), (1001, 19911), (3003, 6637)]