19748246

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 15641194

約数列:

[1, 2, 7, 14, 29, 58, 127, 203, 254, 383, 406, 766, 889, 1778, 2681, 3683, 5362, 7366, 11107, 22214, 25781, 48641, 51562, 77749, 97282, 155498, 340487, 680974, 1410589, 2821178, 9874123, 19748246]

約数ペア:

[(1, 19748246), (2, 9874123), (7, 2821178), (14, 1410589), (29, 680974), (58, 340487), (127, 155498), (203, 97282), (254, 77749), (383, 51562), (406, 48641), (766, 25781), (889, 22214), (1778, 11107), (2681, 7366), (3683, 5362)]