19692460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3407}}^1$

素因数の和:3450

約数の個数: 36

約数和(自身を含む): 43942752

約数和(自身を除く): 24250292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 3407, 5780, 6814, 13628, 17035, 34070, 57919, 68140, 115838, 231676, 289595, 579190, 984623, 1158380, 1969246, 3938492, 4923115, 9846230, 19692460]

約数ペア:

[(1, 19692460), (2, 9846230), (4, 4923115), (5, 3938492), (10, 1969246), (17, 1158380), (20, 984623), (34, 579190), (68, 289595), (85, 231676), (170, 115838), (289, 68140), (340, 57919), (578, 34070), (1156, 17035), (1445, 13628), (2890, 6814), (3407, 5780)]