18686187

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 30105600

約数和(自身を除く): 11419413

約数列:

[1, 3, 9, 13, 27, 39, 117, 139, 351, 383, 417, 1149, 1251, 1807, 3447, 3753, 4979, 5421, 10341, 14937, 16263, 44811, 48789, 53237, 134433, 159711, 479133, 692081, 1437399, 2076243, 6228729, 18686187]

約数ペア:

[(1, 18686187), (3, 6228729), (9, 2076243), (13, 1437399), (27, 692081), (39, 479133), (117, 159711), (139, 134433), (351, 53237), (383, 48789), (417, 44811), (1149, 16263), (1251, 14937), (1807, 10341), (3447, 5421), (3753, 4979)]