18717699

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 35094528

約数和(自身を除く): 16376829

約数列:

[1, 3, 7, 11, 13, 21, 23, 33, 39, 69, 77, 91, 143, 161, 231, 253, 271, 273, 299, 429, 483, 759, 813, 897, 1001, 1771, 1897, 2093, 2981, 3003, 3289, 3523, 5313, 5691, 6233, 6279, 8943, 9867, 10569, 18699, 20867, 23023, 24661, 38753, 43631, 62601, 68563, 69069, 73983, 81029, 116259, 130893, 205689, 243087, 271271, 479941, 567203, 813813, 891319, 1439823, 1701609, 2673957, 6239233, 18717699]

約数ペア:

[(1, 18717699), (3, 6239233), (7, 2673957), (11, 1701609), (13, 1439823), (21, 891319), (23, 813813), (33, 567203), (39, 479941), (69, 271271), (77, 243087), (91, 205689), (143, 130893), (161, 116259), (231, 81029), (253, 73983), (271, 69069), (273, 68563), (299, 62601), (429, 43631), (483, 38753), (759, 24661), (813, 23023), (897, 20867), (1001, 18699), (1771, 10569), (1897, 9867), (2093, 8943), (2981, 6279), (3003, 6233), (3289, 5691), (3523, 5313)]