13158868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{103}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 25086880

約数和(自身を除く): 11928012

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 103, 164, 206, 412, 779, 1558, 1681, 1957, 3116, 3362, 3914, 4223, 6724, 7828, 8446, 16892, 31939, 63878, 80237, 127756, 160474, 173143, 320948, 346286, 692572, 3289717, 6579434, 13158868]

約数ペア:

[(1, 13158868), (2, 6579434), (4, 3289717), (19, 692572), (38, 346286), (41, 320948), (76, 173143), (82, 160474), (103, 127756), (164, 80237), (206, 63878), (412, 31939), (779, 16892), (1558, 8446), (1681, 7828), (1957, 6724), (3116, 4223), (3362, 3914)]