19733949

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 31595520

約数和(自身を除く): 11861571

約数列:

[1, 3, 9, 27, 29, 31, 81, 87, 93, 261, 271, 279, 783, 813, 837, 899, 2349, 2439, 2511, 2697, 7317, 7859, 8091, 8401, 21951, 23577, 24273, 25203, 70731, 72819, 75609, 212193, 226827, 243629, 636579, 680481, 730887, 2192661, 6577983, 19733949]

約数ペア:

[(1, 19733949), (3, 6577983), (9, 2192661), (27, 730887), (29, 680481), (31, 636579), (81, 243629), (87, 226827), (93, 212193), (261, 75609), (271, 72819), (279, 70731), (783, 25203), (813, 24273), (837, 23577), (899, 21951), (2349, 8401), (2439, 8091), (2511, 7859), (2697, 7317)]