18128385

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 34976448

約数和(自身を除く): 16848063

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 53, 55, 99, 159, 165, 265, 477, 495, 583, 691, 795, 1749, 2073, 2385, 2915, 3455, 5247, 6219, 7601, 8745, 10365, 22803, 26235, 31095, 36623, 38005, 68409, 109869, 114015, 183115, 329607, 342045, 402853, 549345, 1208559, 1648035, 2014265, 3625677, 6042795, 18128385]

約数ペア:

[(1, 18128385), (3, 6042795), (5, 3625677), (9, 2014265), (11, 1648035), (15, 1208559), (33, 549345), (45, 402853), (53, 342045), (55, 329607), (99, 183115), (159, 114015), (165, 109869), (265, 68409), (477, 38005), (495, 36623), (583, 31095), (691, 26235), (795, 22803), (1749, 10365), (2073, 8745), (2385, 7601), (2915, 6219), (3455, 5247)]