17800796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 36220800

約数和(自身を除く): 18420004

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 419, 494, 559, 817, 838, 988, 1118, 1634, 1676, 2236, 3268, 5447, 7961, 10621, 10894, 15922, 18017, 21242, 21788, 31844, 36034, 42484, 72068, 103493, 206986, 234221, 342323, 413972, 468442, 684646, 936884, 1369292, 4450199, 8900398, 17800796]

約数ペア:

[(1, 17800796), (2, 8900398), (4, 4450199), (13, 1369292), (19, 936884), (26, 684646), (38, 468442), (43, 413972), (52, 342323), (76, 234221), (86, 206986), (172, 103493), (247, 72068), (419, 42484), (494, 36034), (559, 31844), (817, 21788), (838, 21242), (988, 18017), (1118, 15922), (1634, 10894), (1676, 10621), (2236, 7961), (3268, 5447)]