19449840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{81041}}^1$

素因数の和:81057

約数の個数: 40

約数和(自身を含む): 60295248

約数和(自身を除く): 40845408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 81041, 162082, 243123, 324164, 405205, 486246, 648328, 810410, 972492, 1215615, 1296656, 1620820, 1944984, 2431230, 3241640, 3889968, 4862460, 6483280, 9724920, 19449840]

約数ペア:

[(1, 19449840), (2, 9724920), (3, 6483280), (4, 4862460), (5, 3889968), (6, 3241640), (8, 2431230), (10, 1944984), (12, 1620820), (15, 1296656), (16, 1215615), (20, 972492), (24, 810410), (30, 648328), (40, 486246), (48, 405205), (60, 324164), (80, 243123), (120, 162082), (240, 81041)]