18188460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2731}}^1$

素因数の和:2783

約数の個数: 72

約数和(自身を含む): 56683536

約数和(自身を除く): 38495076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2731, 3330, 5462, 6660, 8193, 10924, 13655, 16386, 24579, 27310, 32772, 40965, 49158, 54620, 81930, 98316, 101047, 122895, 163860, 202094, 245790, 303141, 404188, 491580, 505235, 606282, 909423, 1010470, 1212564, 1515705, 1818846, 2020940, 3031410, 3637692, 4547115, 6062820, 9094230, 18188460]

約数ペア:

[(1, 18188460), (2, 9094230), (3, 6062820), (4, 4547115), (5, 3637692), (6, 3031410), (9, 2020940), (10, 1818846), (12, 1515705), (15, 1212564), (18, 1010470), (20, 909423), (30, 606282), (36, 505235), (37, 491580), (45, 404188), (60, 303141), (74, 245790), (90, 202094), (111, 163860), (148, 122895), (180, 101047), (185, 98316), (222, 81930), (333, 54620), (370, 49158), (444, 40965), (555, 32772), (666, 27310), (740, 24579), (1110, 16386), (1332, 13655), (1665, 10924), (2220, 8193), (2731, 6660), (3330, 5462)]