18996876381

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1\times {\mathrm{2953}}^1$

素因数の和:3706

約数の個数: 64

約数和(自身を含む): 31852154880

約数和(自身を除く): 12855278499

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 701, 1311, 2103, 2953, 3059, 4907, 8859, 9177, 13319, 14721, 16123, 20671, 39957, 48369, 56107, 62013, 67919, 93233, 112861, 168321, 203757, 279699, 306337, 338583, 392749, 475433, 919011, 1178247, 1290461, 1426299, 2070053, 2144359, 3871383, 6210159, 6433077, 9033227, 14490371, 27099681, 39331007, 43471113, 47611219, 117993021, 142833657, 275317049, 333278533, 825951147, 904613161, 999835599, 2713839483, 6332292127, 18996876381]

約数ペア:

[(1, 18996876381), (3, 6332292127), (7, 2713839483), (19, 999835599), (21, 904613161), (23, 825951147), (57, 333278533), (69, 275317049), (133, 142833657), (161, 117993021), (399, 47611219), (437, 43471113), (483, 39331007), (701, 27099681), (1311, 14490371), (2103, 9033227), (2953, 6433077), (3059, 6210159), (4907, 3871383), (8859, 2144359), (9177, 2070053), (13319, 1426299), (14721, 1290461), (16123, 1178247), (20671, 919011), (39957, 475433), (48369, 392749), (56107, 338583), (62013, 306337), (67919, 279699), (93233, 203757), (112861, 168321)]