18645172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 40523392

約数和(自身を除く): 21878220

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 181, 182, 283, 362, 364, 566, 724, 1132, 1267, 1981, 2353, 2534, 3679, 3962, 4706, 5068, 7358, 7924, 9412, 14716, 16471, 25753, 32942, 51223, 51506, 65884, 102446, 103012, 204892, 358561, 665899, 717122, 1331798, 1434244, 2663596, 4661293, 9322586, 18645172]

約数ペア:

[(1, 18645172), (2, 9322586), (4, 4661293), (7, 2663596), (13, 1434244), (14, 1331798), (26, 717122), (28, 665899), (52, 358561), (91, 204892), (181, 103012), (182, 102446), (283, 65884), (362, 51506), (364, 51223), (566, 32942), (724, 25753), (1132, 16471), (1267, 14716), (1981, 9412), (2353, 7924), (2534, 7358), (3679, 5068), (3962, 4706)]