19850752

素因数分解:

$2^9\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:438

約数の個数: 40

約数和(自身を含む): 40093416

約数和(自身を除く): 20242664

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 283, 512, 548, 566, 1096, 1132, 2192, 2264, 4384, 4528, 8768, 9056, 17536, 18112, 35072, 36224, 38771, 70144, 72448, 77542, 144896, 155084, 310168, 620336, 1240672, 2481344, 4962688, 9925376, 19850752]

約数ペア:

[(1, 19850752), (2, 9925376), (4, 4962688), (8, 2481344), (16, 1240672), (32, 620336), (64, 310168), (128, 155084), (137, 144896), (256, 77542), (274, 72448), (283, 70144), (512, 38771), (548, 36224), (566, 35072), (1096, 18112), (1132, 17536), (2192, 9056), (2264, 8768), (4384, 4528)]