19487892

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 47013120

約数和(自身を除く): 27525228

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 109, 141, 188, 218, 282, 317, 327, 436, 564, 634, 654, 951, 1268, 1308, 1902, 3804, 5123, 10246, 14899, 15369, 20492, 29798, 30738, 34553, 44697, 59596, 61476, 69106, 89394, 103659, 138212, 178788, 207318, 414636, 1623991, 3247982, 4871973, 6495964, 9743946, 19487892]

約数ペア:

[(1, 19487892), (2, 9743946), (3, 6495964), (4, 4871973), (6, 3247982), (12, 1623991), (47, 414636), (94, 207318), (109, 178788), (141, 138212), (188, 103659), (218, 89394), (282, 69106), (317, 61476), (327, 59596), (436, 44697), (564, 34553), (634, 30738), (654, 29798), (951, 20492), (1268, 15369), (1308, 14899), (1902, 10246), (3804, 5123)]