18294980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 23992636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 607, 685, 1214, 1370, 1507, 2428, 2740, 3014, 3035, 6028, 6070, 6677, 7535, 12140, 13354, 15070, 26708, 30140, 33385, 66770, 83159, 133540, 166318, 332636, 415795, 831590, 914749, 1663180, 1829498, 3658996, 4573745, 9147490, 18294980]

約数ペア:

[(1, 18294980), (2, 9147490), (4, 4573745), (5, 3658996), (10, 1829498), (11, 1663180), (20, 914749), (22, 831590), (44, 415795), (55, 332636), (110, 166318), (137, 133540), (220, 83159), (274, 66770), (548, 33385), (607, 30140), (685, 26708), (1214, 15070), (1370, 13354), (1507, 12140), (2428, 7535), (2740, 6677), (3014, 6070), (3035, 6028)]