19559614

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12373826

約数列:

[1, 2, 23, 46, 47, 83, 94, 109, 166, 218, 1081, 1909, 2162, 2507, 3818, 3901, 5014, 5123, 7802, 9047, 10246, 18094, 89723, 117829, 179446, 208081, 235658, 416162, 425209, 850418, 9779807, 19559614]

約数ペア:

[(1, 19559614), (2, 9779807), (23, 850418), (46, 425209), (47, 416162), (83, 235658), (94, 208081), (109, 179446), (166, 117829), (218, 89723), (1081, 18094), (1909, 10246), (2162, 9047), (2507, 7802), (3818, 5123), (3901, 5014)]