19800604803

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1\times {\mathrm{2731}}^1$

素因数の和:3664

約数の個数: 64

約数和(自身を含む): 33386176512

約数和(自身を除く): 13585571709

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 883, 1173, 2649, 2731, 2737, 6181, 8193, 8211, 15011, 18543, 19117, 20309, 45033, 46427, 57351, 60927, 62813, 105077, 139281, 142163, 188439, 315231, 324989, 345253, 426489, 439691, 974967, 1035759, 1067821, 1319073, 2411473, 2416771, 3203463, 7234419, 7250313, 7474747, 16880311, 22424241, 40995041, 50640933, 55463879, 122985123, 166391637, 286965287, 388247153, 860895861, 942885943, 1164741459, 2828657829, 6600201601, 19800604803]

約数ペア:

[(1, 19800604803), (3, 6600201601), (7, 2828657829), (17, 1164741459), (21, 942885943), (23, 860895861), (51, 388247153), (69, 286965287), (119, 166391637), (161, 122985123), (357, 55463879), (391, 50640933), (483, 40995041), (883, 22424241), (1173, 16880311), (2649, 7474747), (2731, 7250313), (2737, 7234419), (6181, 3203463), (8193, 2416771), (8211, 2411473), (15011, 1319073), (18543, 1067821), (19117, 1035759), (20309, 974967), (45033, 439691), (46427, 426489), (57351, 345253), (60927, 324989), (62813, 315231), (105077, 188439), (139281, 142163)]