18338940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{33961}}^1$

素因数の和:33979

約数の個数: 48

約数和(自身を含む): 57056160

約数和(自身を除く): 38717220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 33961, 67922, 101883, 135844, 169805, 203766, 305649, 339610, 407532, 509415, 611298, 679220, 916947, 1018830, 1222596, 1528245, 1833894, 2037660, 3056490, 3667788, 4584735, 6112980, 9169470, 18338940]

約数ペア:

[(1, 18338940), (2, 9169470), (3, 6112980), (4, 4584735), (5, 3667788), (6, 3056490), (9, 2037660), (10, 1833894), (12, 1528245), (15, 1222596), (18, 1018830), (20, 916947), (27, 679220), (30, 611298), (36, 509415), (45, 407532), (54, 339610), (60, 305649), (90, 203766), (108, 169805), (135, 135844), (180, 101883), (270, 67922), (540, 33961)]