19921244

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 43302672

約数和(自身を除く): 23381428

約数列:

[1, 2, 4, 7, 14, 28, 37, 41, 49, 67, 74, 82, 98, 134, 148, 164, 196, 259, 268, 287, 469, 518, 574, 938, 1036, 1148, 1517, 1813, 1876, 2009, 2479, 2747, 3034, 3283, 3626, 4018, 4958, 5494, 6068, 6566, 7252, 8036, 9916, 10619, 10988, 13132, 17353, 19229, 21238, 34706, 38458, 42476, 69412, 74333, 76916, 101639, 121471, 134603, 148666, 203278, 242942, 269206, 297332, 406556, 485884, 538412, 711473, 1422946, 2845892, 4980311, 9960622, 19921244]

約数ペア:

[(1, 19921244), (2, 9960622), (4, 4980311), (7, 2845892), (14, 1422946), (28, 711473), (37, 538412), (41, 485884), (49, 406556), (67, 297332), (74, 269206), (82, 242942), (98, 203278), (134, 148666), (148, 134603), (164, 121471), (196, 101639), (259, 76916), (268, 74333), (287, 69412), (469, 42476), (518, 38458), (574, 34706), (938, 21238), (1036, 19229), (1148, 17353), (1517, 13132), (1813, 10988), (1876, 10619), (2009, 9916), (2479, 8036), (2747, 7252), (3034, 6566), (3283, 6068), (3626, 5494), (4018, 4958)]