18953265

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 31954176

約数和(自身を除く): 13000911

約数列:

[1, 3, 5, 15, 23, 69, 115, 137, 345, 401, 411, 685, 1203, 2005, 2055, 3151, 6015, 9223, 9453, 15755, 27669, 46115, 47265, 54937, 138345, 164811, 274685, 824055, 1263551, 3790653, 6317755, 18953265]

約数ペア:

[(1, 18953265), (3, 6317755), (5, 3790653), (15, 1263551), (23, 824055), (69, 274685), (115, 164811), (137, 138345), (345, 54937), (401, 47265), (411, 46115), (685, 27669), (1203, 15755), (2005, 9453), (2055, 9223), (3151, 6015)]