19209585

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 31840128

約数和(自身を除く): 12630543

約数列:

[1, 3, 5, 15, 53, 73, 159, 219, 265, 331, 365, 795, 993, 1095, 1655, 3869, 4965, 11607, 17543, 19345, 24163, 52629, 58035, 72489, 87715, 120815, 263145, 362445, 1280639, 3841917, 6403195, 19209585]

約数ペア:

[(1, 19209585), (3, 6403195), (5, 3841917), (15, 1280639), (53, 362445), (73, 263145), (159, 120815), (219, 87715), (265, 72489), (331, 58035), (365, 52629), (795, 24163), (993, 19345), (1095, 17543), (1655, 11607), (3869, 4965)]