19493248

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{2273}}^1$

素因数の和:2354

約数の個数: 32

約数和(自身を含む): 39431160

約数和(自身を除く): 19937912

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 268, 536, 1072, 2144, 2273, 4288, 4546, 8576, 9092, 18184, 36368, 72736, 145472, 152291, 290944, 304582, 609164, 1218328, 2436656, 4873312, 9746624, 19493248]

約数ペア:

[(1, 19493248), (2, 9746624), (4, 4873312), (8, 2436656), (16, 1218328), (32, 609164), (64, 304582), (67, 290944), (128, 152291), (134, 145472), (268, 72736), (536, 36368), (1072, 18184), (2144, 9092), (2273, 8576), (4288, 4546)]