19328655

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 32237568

約数和(自身を除く): 12908913

約数列:

[1, 3, 5, 15, 31, 93, 155, 197, 211, 465, 591, 633, 985, 1055, 2955, 3165, 6107, 6541, 18321, 19623, 30535, 32705, 41567, 91605, 98115, 124701, 207835, 623505, 1288577, 3865731, 6442885, 19328655]

約数ペア:

[(1, 19328655), (3, 6442885), (5, 3865731), (15, 1288577), (31, 623505), (93, 207835), (155, 124701), (197, 98115), (211, 91605), (465, 41567), (591, 32705), (633, 30535), (985, 19623), (1055, 18321), (2955, 6541), (3165, 6107)]