19863892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 18520748

約数列:

[1, 2, 4, 19, 38, 47, 67, 76, 83, 94, 134, 166, 188, 268, 332, 893, 1273, 1577, 1786, 2546, 3149, 3154, 3572, 3901, 5092, 5561, 6298, 6308, 7802, 11122, 12596, 15604, 22244, 59831, 74119, 105659, 119662, 148238, 211318, 239324, 261367, 296476, 422636, 522734, 1045468, 4965973, 9931946, 19863892]

約数ペア:

[(1, 19863892), (2, 9931946), (4, 4965973), (19, 1045468), (38, 522734), (47, 422636), (67, 296476), (76, 261367), (83, 239324), (94, 211318), (134, 148238), (166, 119662), (188, 105659), (268, 74119), (332, 59831), (893, 22244), (1273, 15604), (1577, 12596), (1786, 11122), (2546, 7802), (3149, 6308), (3154, 6298), (3572, 5561), (3901, 5092)]