19725038

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{809}}^1$

素因数の和:1051

約数の個数: 16

約数和(自身を含む): 30209760

約数和(自身を除く): 10484722

約数列:

[1, 2, 73, 146, 167, 334, 809, 1618, 12191, 24382, 59057, 118114, 135103, 270206, 9862519, 19725038]

約数ペア:

[(1, 19725038), (2, 9862519), (73, 270206), (146, 135103), (167, 118114), (334, 59057), (809, 24382), (1618, 12191)]