19401148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1291}}^1$

素因数の和:1342

約数の個数: 36

約数和(自身を含む): 38871112

約数和(自身を除く): 19469964

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1291, 2582, 3757, 5164, 7514, 15028, 16783, 21947, 33566, 43894, 67132, 87788, 285311, 373099, 570622, 746198, 1141244, 1492396, 4850287, 9700574, 19401148]

約数ペア:

[(1, 19401148), (2, 9700574), (4, 4850287), (13, 1492396), (17, 1141244), (26, 746198), (34, 570622), (52, 373099), (68, 285311), (221, 87788), (289, 67132), (442, 43894), (578, 33566), (884, 21947), (1156, 16783), (1291, 15028), (2582, 7514), (3757, 5164)]