19911684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 50536640

約数和(自身を除く): 30624956

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1171, 1308, 1417, 2342, 2834, 3513, 4251, 4684, 5668, 7026, 8502, 14052, 15223, 17004, 30446, 45669, 60892, 91338, 127639, 182676, 255278, 382917, 510556, 765834, 1531668, 1659307, 3318614, 4977921, 6637228, 9955842, 19911684]

約数ペア:

[(1, 19911684), (2, 9955842), (3, 6637228), (4, 4977921), (6, 3318614), (12, 1659307), (13, 1531668), (26, 765834), (39, 510556), (52, 382917), (78, 255278), (109, 182676), (156, 127639), (218, 91338), (327, 60892), (436, 45669), (654, 30446), (1171, 17004), (1308, 15223), (1417, 14052), (2342, 8502), (2834, 7026), (3513, 5668), (4251, 4684)]