19739992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{839}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 19723208

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 173, 346, 692, 839, 1384, 1678, 2941, 3356, 5882, 6712, 11764, 14263, 23528, 28526, 57052, 114104, 145147, 290294, 580588, 1161176, 2467499, 4934998, 9869996, 19739992]

約数ペア:

[(1, 19739992), (2, 9869996), (4, 4934998), (8, 2467499), (17, 1161176), (34, 580588), (68, 290294), (136, 145147), (173, 114104), (346, 57052), (692, 28526), (839, 23528), (1384, 14263), (1678, 11764), (2941, 6712), (3356, 5882)]