19712295

素因数分解:

$3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{967}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 35312640

約数和(自身を除く): 15600345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151, 453, 755, 967, 1359, 2265, 2901, 4077, 4835, 6795, 8703, 14505, 20385, 26109, 43515, 130545, 146017, 438051, 730085, 1314153, 2190255, 3942459, 6570765, 19712295]

約数ペア:

[(1, 19712295), (3, 6570765), (5, 3942459), (9, 2190255), (15, 1314153), (27, 730085), (45, 438051), (135, 146017), (151, 130545), (453, 43515), (755, 26109), (967, 20385), (1359, 14505), (2265, 8703), (2901, 6795), (4077, 4835)]