19514240

素因数分解:

$2^7\times 5^1\times {\mathrm{30491}}^1$

素因数の和:30510

約数の個数: 32

約数和(自身を含む): 46652760

約数和(自身を除く): 27138520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30491, 60982, 121964, 152455, 243928, 304910, 487856, 609820, 975712, 1219640, 1951424, 2439280, 3902848, 4878560, 9757120, 19514240]

約数ペア:

[(1, 19514240), (2, 9757120), (4, 4878560), (5, 3902848), (8, 2439280), (10, 1951424), (16, 1219640), (20, 975712), (32, 609820), (40, 487856), (64, 304910), (80, 243928), (128, 152455), (160, 121964), (320, 60982), (640, 30491)]