19717144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1283}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 39521520

約数和(自身を除く): 19804376

約数列:

[1, 2, 4, 8, 17, 34, 68, 113, 136, 226, 452, 904, 1283, 1921, 2566, 3842, 5132, 7684, 10264, 15368, 21811, 43622, 87244, 144979, 174488, 289958, 579916, 1159832, 2464643, 4929286, 9858572, 19717144]

約数ペア:

[(1, 19717144), (2, 9858572), (4, 4929286), (8, 2464643), (17, 1159832), (34, 579916), (68, 289958), (113, 174488), (136, 144979), (226, 87244), (452, 43622), (904, 21811), (1283, 15368), (1921, 10264), (2566, 7684), (3842, 5132)]