19679404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1153}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 36641808

約数和(自身を除く): 16962404

約数列:

[1, 2, 4, 17, 34, 68, 251, 502, 1004, 1153, 2306, 4267, 4612, 8534, 17068, 19601, 39202, 78404, 289403, 578806, 1157612, 4919851, 9839702, 19679404]

約数ペア:

[(1, 19679404), (2, 9839702), (4, 4919851), (17, 1157612), (34, 578806), (68, 289403), (251, 78404), (502, 39202), (1004, 19601), (1153, 17068), (2306, 8534), (4267, 4612)]