18999952

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{2333}}^1$

素因数の和:2850

約数の個数: 20

約数和(自身を含む): 36900540

約数和(自身を除く): 17900588

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 2333, 4072, 4666, 8144, 9332, 18664, 37328, 1187497, 2374994, 4749988, 9499976, 18999952]

約数ペア:

[(1, 18999952), (2, 9499976), (4, 4749988), (8, 2374994), (16, 1187497), (509, 37328), (1018, 18664), (2036, 9332), (2333, 8144), (4072, 4666)]