19692812

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 36701280

約数和(自身を除く): 17008468

約数列:

[1, 2, 4, 31, 47, 62, 94, 109, 124, 188, 218, 436, 961, 1457, 1922, 2914, 3379, 3844, 5123, 5828, 6758, 10246, 13516, 20492, 45167, 90334, 104749, 158813, 180668, 209498, 317626, 418996, 635252, 4923203, 9846406, 19692812]

約数ペア:

[(1, 19692812), (2, 9846406), (4, 4923203), (31, 635252), (47, 418996), (62, 317626), (94, 209498), (109, 180668), (124, 158813), (188, 104749), (218, 90334), (436, 45167), (961, 20492), (1457, 13516), (1922, 10246), (2914, 6758), (3379, 5828), (3844, 5123)]