18855090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{547}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 49241088

約数和(自身を除く): 30385998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 383, 547, 766, 1094, 1149, 1641, 1915, 2298, 2735, 3282, 3447, 3830, 4923, 5470, 5745, 6894, 8205, 9846, 11490, 16410, 17235, 24615, 34470, 49230, 209501, 419002, 628503, 1047505, 1257006, 1885509, 2095010, 3142515, 3771018, 6285030, 9427545, 18855090]

約数ペア:

[(1, 18855090), (2, 9427545), (3, 6285030), (5, 3771018), (6, 3142515), (9, 2095010), (10, 1885509), (15, 1257006), (18, 1047505), (30, 628503), (45, 419002), (90, 209501), (383, 49230), (547, 34470), (766, 24615), (1094, 17235), (1149, 16410), (1641, 11490), (1915, 9846), (2298, 8205), (2735, 6894), (3282, 5745), (3447, 5470), (3830, 4923)]