18694394481

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1142759}}^1$

素因数の和:1142829

約数の個数: 32

約数和(自身を含む): 30717388800

約数和(自身を除く): 12022994319

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 2337, 5453, 16359, 1142759, 3428277, 7999313, 21712421, 23997939, 46853119, 65137263, 140559357, 151986947, 327971833, 455960841, 890209261, 983915499, 2670627783, 6231464827, 18694394481]

約数ペア:

[(1, 18694394481), (3, 6231464827), (7, 2670627783), (19, 983915499), (21, 890209261), (41, 455960841), (57, 327971833), (123, 151986947), (133, 140559357), (287, 65137263), (399, 46853119), (779, 23997939), (861, 21712421), (2337, 7999313), (5453, 3428277), (16359, 1142759)]