19811584129

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{1657}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 21926983680

約数和(自身を除く): 2115399551

約数列:

[1, 23, 31, 41, 409, 713, 943, 1271, 1657, 9407, 12679, 16769, 29233, 38111, 51367, 67937, 291617, 385687, 519839, 677713, 1181441, 1562551, 2106047, 11956297, 15587399, 21009103, 27786233, 48439081, 483209369, 639083359, 861373223, 19811584129]

約数ペア:

[(1, 19811584129), (23, 861373223), (31, 639083359), (41, 483209369), (409, 48439081), (713, 27786233), (943, 21009103), (1271, 15587399), (1657, 11956297), (9407, 2106047), (12679, 1562551), (16769, 1181441), (29233, 677713), (38111, 519839), (51367, 385687), (67937, 291617)]