2009473516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{853}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 3749401600

約数和(自身を除く): 1739928084

約数列:

[1, 2, 4, 19, 38, 76, 139, 223, 278, 446, 556, 853, 892, 1706, 2641, 3412, 4237, 5282, 8474, 10564, 16207, 16948, 30997, 32414, 61994, 64828, 118567, 123988, 190219, 237134, 380438, 474268, 588943, 760876, 1177886, 2252773, 2355772, 3614161, 4505546, 7228322, 9011092, 14456644, 26440441, 52880882, 105761764, 502368379, 1004736758, 2009473516]

約数ペア:

[(1, 2009473516), (2, 1004736758), (4, 502368379), (19, 105761764), (38, 52880882), (76, 26440441), (139, 14456644), (223, 9011092), (278, 7228322), (446, 4505546), (556, 3614161), (853, 2355772), (892, 2252773), (1706, 1177886), (2641, 760876), (3412, 588943), (4237, 474268), (5282, 380438), (8474, 237134), (10564, 190219), (16207, 123988), (16948, 118567), (30997, 64828), (32414, 61994)]