20185219758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{312397}}^1$

素因数の和:312513

約数の個数: 48

約数和(自身を含む): 44872848720

約数和(自身を除く): 24687628962

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 121, 178, 242, 267, 363, 534, 726, 979, 1958, 2937, 5874, 10769, 21538, 32307, 64614, 312397, 624794, 937191, 1874382, 3436367, 6872734, 10309101, 20618202, 27803333, 37800037, 55606666, 75600074, 83409999, 113400111, 166819998, 226800222, 305836663, 611673326, 917509989, 1835019978, 3364203293, 6728406586, 10092609879, 20185219758]

約数ペア:

[(1, 20185219758), (2, 10092609879), (3, 6728406586), (6, 3364203293), (11, 1835019978), (22, 917509989), (33, 611673326), (66, 305836663), (89, 226800222), (121, 166819998), (178, 113400111), (242, 83409999), (267, 75600074), (363, 55606666), (534, 37800037), (726, 27803333), (979, 20618202), (1958, 10309101), (2937, 6872734), (5874, 3436367), (10769, 1874382), (21538, 937191), (32307, 624794), (64614, 312397)]