19705983

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:679

約数の個数: 32

約数和(自身を含む): 30792960

約数和(自身を除く): 11086977

約数列:

[1, 3, 11, 19, 33, 53, 57, 159, 209, 583, 593, 627, 1007, 1749, 1779, 3021, 6523, 11077, 11267, 19569, 31429, 33231, 33801, 94287, 123937, 345719, 371811, 597151, 1037157, 1791453, 6568661, 19705983]

約数ペア:

[(1, 19705983), (3, 6568661), (11, 1791453), (19, 1037157), (33, 597151), (53, 371811), (57, 345719), (159, 123937), (209, 94287), (583, 33801), (593, 33231), (627, 31429), (1007, 19569), (1749, 11267), (1779, 11077), (3021, 6523)]