19879912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8311}}^1$

素因数の和:8353

約数の個数: 32

約数和(自身を含む): 41892480

約数和(自身を除く): 22012568

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8311, 16622, 33244, 66488, 108043, 191153, 216086, 382306, 432172, 764612, 864344, 1529224, 2484989, 4969978, 9939956, 19879912]

約数ペア:

[(1, 19879912), (2, 9939956), (4, 4969978), (8, 2484989), (13, 1529224), (23, 864344), (26, 764612), (46, 432172), (52, 382306), (92, 216086), (104, 191153), (184, 108043), (299, 66488), (598, 33244), (1196, 16622), (2392, 8311)]