19171490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 37603440

約数和(自身を除く): 18431950

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1657, 2314, 3314, 5785, 8285, 11570, 16570, 21541, 43082, 107705, 147473, 215410, 294946, 737365, 1474730, 1917149, 3834298, 9585745, 19171490]

約数ペア:

[(1, 19171490), (2, 9585745), (5, 3834298), (10, 1917149), (13, 1474730), (26, 737365), (65, 294946), (89, 215410), (130, 147473), (178, 107705), (445, 43082), (890, 21541), (1157, 16570), (1657, 11570), (2314, 8285), (3314, 5785)]