19929684

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 48932352

約数和(自身を除く): 29002668

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 163, 276, 326, 443, 489, 652, 886, 978, 1329, 1772, 1956, 2658, 3749, 5316, 7498, 10189, 11247, 14996, 20378, 22494, 30567, 40756, 44988, 61134, 72209, 122268, 144418, 216627, 288836, 433254, 866508, 1660807, 3321614, 4982421, 6643228, 9964842, 19929684]

約数ペア:

[(1, 19929684), (2, 9964842), (3, 6643228), (4, 4982421), (6, 3321614), (12, 1660807), (23, 866508), (46, 433254), (69, 288836), (92, 216627), (138, 144418), (163, 122268), (276, 72209), (326, 61134), (443, 44988), (489, 40756), (652, 30567), (886, 22494), (978, 20378), (1329, 14996), (1772, 11247), (1956, 10189), (2658, 7498), (3749, 5316)]