18969315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 32313600

約数和(自身を除く): 13344285

約数列:

[1, 3, 5, 15, 19, 57, 95, 101, 285, 303, 505, 659, 1515, 1919, 1977, 3295, 5757, 9595, 9885, 12521, 28785, 37563, 62605, 66559, 187815, 199677, 332795, 998385, 1264621, 3793863, 6323105, 18969315]

約数ペア:

[(1, 18969315), (3, 6323105), (5, 3793863), (15, 1264621), (19, 998385), (57, 332795), (95, 199677), (101, 187815), (285, 66559), (303, 62605), (505, 37563), (659, 28785), (1515, 12521), (1919, 9885), (1977, 9595), (3295, 5757)]