19454936

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7529}}^1$

素因数の和:7571

約数の個数: 32

約数和(自身を含む): 40662000

約数和(自身を除く): 21207064

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7529, 15058, 30116, 60232, 127993, 143051, 255986, 286102, 511972, 572204, 1023944, 1144408, 2431867, 4863734, 9727468, 19454936]

約数ペア:

[(1, 19454936), (2, 9727468), (4, 4863734), (8, 2431867), (17, 1144408), (19, 1023944), (34, 572204), (38, 511972), (68, 286102), (76, 255986), (136, 143051), (152, 127993), (323, 60232), (646, 30116), (1292, 15058), (2584, 7529)]