19631408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64577}}^1$

素因数の和:64604

約数の個数: 20

約数和(自身を含む): 40038360

約数和(自身を除く): 20406952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64577, 129154, 258308, 516616, 1033232, 1226963, 2453926, 4907852, 9815704, 19631408]

約数ペア:

[(1, 19631408), (2, 9815704), (4, 4907852), (8, 2453926), (16, 1226963), (19, 1033232), (38, 516616), (76, 258308), (152, 129154), (304, 64577)]