123368368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{405817}}^1$

素因数の和:405844

約数の個数: 20

約数和(自身を含む): 251607160

約数和(自身を除く): 128238792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 405817, 811634, 1623268, 3246536, 6493072, 7710523, 15421046, 30842092, 61684184, 123368368]

約数ペア:

[(1, 123368368), (2, 61684184), (4, 30842092), (8, 15421046), (16, 7710523), (19, 6493072), (38, 3246536), (76, 1623268), (152, 811634), (304, 405817)]