19739696

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30091}}^1$

素因数の和:30140

約数の個数: 20

約数和(自身を含む): 39179784

約数和(自身を除く): 19440088

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30091, 60182, 120364, 240728, 481456, 1233731, 2467462, 4934924, 9869848, 19739696]

約数ペア:

[(1, 19739696), (2, 9869848), (4, 4934924), (8, 2467462), (16, 1233731), (41, 481456), (82, 240728), (164, 120364), (328, 60182), (656, 30091)]