19615694721

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{929}}^1$

素因数の和:1398

約数の個数: 64

約数和(自身を含む): 31164672000

約数和(自身を除く): 11548977279

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 301, 349, 469, 903, 929, 1047, 1407, 2443, 2787, 2881, 6503, 7329, 8643, 15007, 19509, 20167, 23383, 39947, 45021, 60501, 62243, 70149, 105049, 119841, 163681, 186729, 279629, 315147, 324221, 435701, 491043, 838887, 972663, 1005469, 1307103, 2269547, 2676449, 3016407, 6808641, 7038283, 8029347, 13941503, 18735143, 21114849, 21722807, 41824509, 56205429, 65168421, 97590521, 152059649, 292771563, 456178947, 934080701, 2802242103, 6538564907, 19615694721]

約数ペア:

[(1, 19615694721), (3, 6538564907), (7, 2802242103), (21, 934080701), (43, 456178947), (67, 292771563), (129, 152059649), (201, 97590521), (301, 65168421), (349, 56205429), (469, 41824509), (903, 21722807), (929, 21114849), (1047, 18735143), (1407, 13941503), (2443, 8029347), (2787, 7038283), (2881, 6808641), (6503, 3016407), (7329, 2676449), (8643, 2269547), (15007, 1307103), (19509, 1005469), (20167, 972663), (23383, 838887), (39947, 491043), (45021, 435701), (60501, 324221), (62243, 315147), (70149, 279629), (105049, 186729), (119841, 163681)]