189917084

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{8707}}^1$

素因数の和:8778

約数の個数: 48

約数和(自身を含む): 409624320

約数和(自身を除く): 219707236

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1558, 3116, 5453, 8707, 10906, 17414, 21812, 34828, 60949, 121898, 165433, 243796, 330866, 356987, 661732, 713974, 1158031, 1427948, 2316062, 2498909, 4632124, 4997818, 6782753, 9995636, 13565506, 27131012, 47479271, 94958542, 189917084]

約数ペア:

[(1, 189917084), (2, 94958542), (4, 47479271), (7, 27131012), (14, 13565506), (19, 9995636), (28, 6782753), (38, 4997818), (41, 4632124), (76, 2498909), (82, 2316062), (133, 1427948), (164, 1158031), (266, 713974), (287, 661732), (532, 356987), (574, 330866), (779, 243796), (1148, 165433), (1558, 121898), (3116, 60949), (5453, 34828), (8707, 21812), (10906, 17414)]