19395272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{743}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 19977208

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 743, 1004, 1486, 2008, 2972, 3263, 5944, 6526, 9659, 13052, 19318, 26104, 38636, 77272, 186493, 372986, 745972, 1491944, 2424409, 4848818, 9697636, 19395272]

約数ペア:

[(1, 19395272), (2, 9697636), (4, 4848818), (8, 2424409), (13, 1491944), (26, 745972), (52, 372986), (104, 186493), (251, 77272), (502, 38636), (743, 26104), (1004, 19318), (1486, 13052), (2008, 9659), (2972, 6526), (3263, 5944)]