19240026

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 43760640

約数和(自身を除く): 24520614

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 73, 78, 93, 109, 146, 186, 218, 219, 327, 403, 438, 654, 806, 949, 1209, 1417, 1898, 2263, 2418, 2834, 2847, 3379, 4251, 4526, 5694, 6758, 6789, 7957, 8502, 10137, 13578, 15914, 20274, 23871, 29419, 43927, 47742, 58838, 87854, 88257, 103441, 131781, 176514, 206882, 246667, 263562, 310323, 493334, 620646, 740001, 1480002, 3206671, 6413342, 9620013, 19240026]

約数ペア:

[(1, 19240026), (2, 9620013), (3, 6413342), (6, 3206671), (13, 1480002), (26, 740001), (31, 620646), (39, 493334), (62, 310323), (73, 263562), (78, 246667), (93, 206882), (109, 176514), (146, 131781), (186, 103441), (218, 88257), (219, 87854), (327, 58838), (403, 47742), (438, 43927), (654, 29419), (806, 23871), (949, 20274), (1209, 15914), (1417, 13578), (1898, 10137), (2263, 8502), (2418, 7957), (2834, 6789), (2847, 6758), (3379, 5694), (4251, 4526)]