19537378

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 36115200

約数和(自身を除く): 16577822

約数列:

[1, 2, 7, 14, 31, 49, 59, 62, 98, 109, 118, 217, 218, 413, 434, 763, 826, 1519, 1526, 1829, 2891, 3038, 3379, 3658, 5341, 5782, 6431, 6758, 10682, 12803, 12862, 23653, 25606, 45017, 47306, 89621, 90034, 165571, 179242, 199361, 315119, 331142, 398722, 630238, 1395527, 2791054, 9768689, 19537378]

約数ペア:

[(1, 19537378), (2, 9768689), (7, 2791054), (14, 1395527), (31, 630238), (49, 398722), (59, 331142), (62, 315119), (98, 199361), (109, 179242), (118, 165571), (217, 90034), (218, 89621), (413, 47306), (434, 45017), (763, 25606), (826, 23653), (1519, 12862), (1526, 12803), (1829, 10682), (2891, 6758), (3038, 6431), (3379, 5782), (3658, 5341)]