18861786

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 42491904

約数和(自身を除く): 23630118

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 127, 222, 223, 254, 333, 381, 446, 666, 669, 762, 1143, 1338, 2007, 2286, 4014, 4699, 8251, 9398, 14097, 16502, 24753, 28194, 28321, 42291, 49506, 56642, 74259, 84582, 84963, 148518, 169926, 254889, 509778, 1047877, 2095754, 3143631, 6287262, 9430893, 18861786]

約数ペア:

[(1, 18861786), (2, 9430893), (3, 6287262), (6, 3143631), (9, 2095754), (18, 1047877), (37, 509778), (74, 254889), (111, 169926), (127, 148518), (222, 84963), (223, 84582), (254, 74259), (333, 56642), (381, 49506), (446, 42291), (666, 28321), (669, 28194), (762, 24753), (1143, 16502), (1338, 14097), (2007, 9398), (2286, 8251), (4014, 4699)]