18660964

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5011}}^1$

素因数の和:5048

約数の個数: 36

約数和(自身を含む): 39995760

約数和(自身を除く): 21334796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5011, 10022, 20044, 35077, 70154, 95209, 140308, 190418, 245539, 380836, 491078, 666463, 982156, 1332926, 2665852, 4665241, 9330482, 18660964]

約数ペア:

[(1, 18660964), (2, 9330482), (4, 4665241), (7, 2665852), (14, 1332926), (19, 982156), (28, 666463), (38, 491078), (49, 380836), (76, 245539), (98, 190418), (133, 140308), (196, 95209), (266, 70154), (532, 35077), (931, 20044), (1862, 10022), (3724, 5011)]