19593009

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 31944000

約数和(自身を除く): 12350991

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 439, 513, 551, 783, 1317, 1539, 1653, 2349, 3951, 4959, 8341, 11853, 12731, 14877, 25023, 35559, 38193, 44631, 75069, 114579, 225207, 241889, 343737, 675621, 725667, 1031211, 2177001, 6531003, 19593009]

約数ペア:

[(1, 19593009), (3, 6531003), (9, 2177001), (19, 1031211), (27, 725667), (29, 675621), (57, 343737), (81, 241889), (87, 225207), (171, 114579), (261, 75069), (439, 44631), (513, 38193), (551, 35559), (783, 25023), (1317, 14877), (1539, 12731), (1653, 11853), (2349, 8341), (3951, 4959)]