18878940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{34961}}^1$

素因数の和:34979

約数の個数: 48

約数和(自身を含む): 58736160

約数和(自身を除く): 39857220

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, 34961, 69922, 104883, 139844, 174805, 209766, 314649, 349610, 419532, 524415, 629298, 699220, 943947, 1048830, 1258596, 1573245, 1887894, 2097660, 3146490, 3775788, 4719735, 6292980, 9439470, 18878940]

約数ペア:

[(1, 18878940), (2, 9439470), (3, 6292980), (4, 4719735), (5, 3775788), (6, 3146490), (9, 2097660), (10, 1887894), (12, 1573245), (15, 1258596), (18, 1048830), (20, 943947), (27, 699220), (30, 629298), (36, 524415), (45, 419532), (54, 349610), (60, 314649), (90, 209766), (108, 174805), (135, 139844), (180, 104883), (270, 69922), (540, 34961)]