19198185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 32970240

約数和(自身を除く): 13772055

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 953, 1185, 1343, 2859, 4029, 4765, 6715, 14295, 16201, 20145, 48603, 75287, 81005, 225861, 243015, 376435, 1129305, 1279879, 3839637, 6399395, 19198185]

約数ペア:

[(1, 19198185), (3, 6399395), (5, 3839637), (15, 1279879), (17, 1129305), (51, 376435), (79, 243015), (85, 225861), (237, 81005), (255, 75287), (395, 48603), (953, 20145), (1185, 16201), (1343, 14295), (2859, 6715), (4029, 4765)]