15721132

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1019}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 34272000

約数和(自身を除く): 18550868

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1019, 1102, 2038, 2204, 3857, 4076, 7133, 7714, 14266, 15428, 19361, 28532, 29551, 38722, 59102, 77444, 118204, 135527, 206857, 271054, 413714, 542108, 561469, 827428, 1122938, 2245876, 3930283, 7860566, 15721132]

約数ペア:

[(1, 15721132), (2, 7860566), (4, 3930283), (7, 2245876), (14, 1122938), (19, 827428), (28, 561469), (29, 542108), (38, 413714), (58, 271054), (76, 206857), (116, 135527), (133, 118204), (203, 77444), (266, 59102), (406, 38722), (532, 29551), (551, 28532), (812, 19361), (1019, 15428), (1102, 14266), (2038, 7714), (2204, 7133), (3857, 4076)]