18630927

素因数分解:

$3^2\times 7^2\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 31744440

約数和(自身を除く): 13113513

約数列:

[1, 3, 7, 9, 21, 49, 63, 83, 147, 249, 441, 509, 581, 747, 1527, 1743, 3563, 4067, 4581, 5229, 10689, 12201, 24941, 32067, 36603, 42247, 74823, 126741, 224469, 295729, 380223, 887187, 2070103, 2661561, 6210309, 18630927]

約数ペア:

[(1, 18630927), (3, 6210309), (7, 2661561), (9, 2070103), (21, 887187), (49, 380223), (63, 295729), (83, 224469), (147, 126741), (249, 74823), (441, 42247), (509, 36603), (581, 32067), (747, 24941), (1527, 12201), (1743, 10689), (3563, 5229), (4067, 4581)]