18776820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{839}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 34002060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 373, 746, 839, 1119, 1492, 1678, 1865, 2238, 2517, 3356, 3730, 4195, 4476, 5034, 5595, 7460, 8390, 10068, 11190, 12585, 16780, 22380, 25170, 50340, 312947, 625894, 938841, 1251788, 1564735, 1877682, 3129470, 3755364, 4694205, 6258940, 9388410, 18776820]

約数ペア:

[(1, 18776820), (2, 9388410), (3, 6258940), (4, 4694205), (5, 3755364), (6, 3129470), (10, 1877682), (12, 1564735), (15, 1251788), (20, 938841), (30, 625894), (60, 312947), (373, 50340), (746, 25170), (839, 22380), (1119, 16780), (1492, 12585), (1678, 11190), (1865, 10068), (2238, 8390), (2517, 7460), (3356, 5595), (3730, 5034), (4195, 4476)]