17821540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1373}}^1$

素因数の和:1452

約数の個数: 48

約数和(自身を含む): 41549760

約数和(自身を除く): 23728220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 220, 236, 295, 590, 649, 1180, 1298, 1373, 2596, 2746, 3245, 5492, 6490, 6865, 12980, 13730, 15103, 27460, 30206, 60412, 75515, 81007, 151030, 162014, 302060, 324028, 405035, 810070, 891077, 1620140, 1782154, 3564308, 4455385, 8910770, 17821540]

約数ペア:

[(1, 17821540), (2, 8910770), (4, 4455385), (5, 3564308), (10, 1782154), (11, 1620140), (20, 891077), (22, 810070), (44, 405035), (55, 324028), (59, 302060), (110, 162014), (118, 151030), (220, 81007), (236, 75515), (295, 60412), (590, 30206), (649, 27460), (1180, 15103), (1298, 13730), (1373, 12980), (2596, 6865), (2746, 6490), (3245, 5492)]