19971784

素因数分解:

$2^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{941}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 42955200

約数和(自身を除く): 22983416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379, 758, 941, 1516, 1882, 2653, 3032, 3764, 5306, 6587, 7528, 10612, 13174, 21224, 26348, 52696, 356639, 713278, 1426556, 2496473, 2853112, 4992946, 9985892, 19971784]

約数ペア:

[(1, 19971784), (2, 9985892), (4, 4992946), (7, 2853112), (8, 2496473), (14, 1426556), (28, 713278), (56, 356639), (379, 52696), (758, 26348), (941, 21224), (1516, 13174), (1882, 10612), (2653, 7528), (3032, 6587), (3764, 5306)]