18689736

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 33020664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1619, 1924, 2886, 3238, 3848, 4857, 5772, 6476, 9714, 11544, 12952, 19428, 21047, 38856, 42094, 59903, 63141, 84188, 119806, 126282, 168376, 179709, 239612, 252564, 359418, 479224, 505128, 718836, 778739, 1437672, 1557478, 2336217, 3114956, 4672434, 6229912, 9344868, 18689736]

約数ペア:

[(1, 18689736), (2, 9344868), (3, 6229912), (4, 4672434), (6, 3114956), (8, 2336217), (12, 1557478), (13, 1437672), (24, 778739), (26, 718836), (37, 505128), (39, 479224), (52, 359418), (74, 252564), (78, 239612), (104, 179709), (111, 168376), (148, 126282), (156, 119806), (222, 84188), (296, 63141), (312, 59903), (444, 42094), (481, 38856), (888, 21047), (962, 19428), (1443, 12952), (1619, 11544), (1924, 9714), (2886, 6476), (3238, 5772), (3848, 4857)]