19186455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1123}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 33018624

約数和(自身を除く): 13832169

約数列:

[1, 3, 5, 15, 17, 51, 67, 85, 201, 255, 335, 1005, 1123, 1139, 3369, 3417, 5615, 5695, 16845, 17085, 19091, 57273, 75241, 95455, 225723, 286365, 376205, 1128615, 1279097, 3837291, 6395485, 19186455]

約数ペア:

[(1, 19186455), (3, 6395485), (5, 3837291), (15, 1279097), (17, 1128615), (51, 376205), (67, 286365), (85, 225723), (201, 95455), (255, 75241), (335, 57273), (1005, 19091), (1123, 17085), (1139, 16845), (3369, 5695), (3417, 5615)]