18884902

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:735

約数の個数: 16

約数和(自身を含む): 28781280

約数和(自身を除く): 9896378

約数列:

[1, 2, 137, 157, 274, 314, 439, 878, 21509, 43018, 60143, 68923, 120286, 137846, 9442451, 18884902]

約数ペア:

[(1, 18884902), (2, 9442451), (137, 137846), (157, 120286), (274, 68923), (314, 60143), (439, 43018), (878, 21509)]