19813648

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33469}}^1$

素因数の和:33514

約数の個数: 20

約数和(自身を含む): 39427660

約数和(自身を除く): 19614012

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33469, 66938, 133876, 267752, 535504, 1238353, 2476706, 4953412, 9906824, 19813648]

約数ペア:

[(1, 19813648), (2, 9906824), (4, 4953412), (8, 2476706), (16, 1238353), (37, 535504), (74, 267752), (148, 133876), (296, 66938), (592, 33469)]