18389834

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 30948480

約数和(自身を除く): 12558646

約数列:

[1, 2, 19, 23, 38, 46, 53, 106, 397, 437, 794, 874, 1007, 1219, 2014, 2438, 7543, 9131, 15086, 18262, 21041, 23161, 42082, 46322, 173489, 346978, 399779, 483943, 799558, 967886, 9194917, 18389834]

約数ペア:

[(1, 18389834), (2, 9194917), (19, 967886), (23, 799558), (38, 483943), (46, 399779), (53, 346978), (106, 173489), (397, 46322), (437, 42082), (794, 23161), (874, 21041), (1007, 18262), (1219, 15086), (2014, 9131), (2438, 7543)]