18259956

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3547}}^1$

素因数の和:3581

約数の個数: 72

約数和(自身を含む): 54241824

約数和(自身を除く): 35981868

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 3547, 5148, 7094, 10641, 14188, 21282, 31923, 39017, 42564, 46111, 63846, 78034, 92222, 117051, 127692, 138333, 156068, 184444, 234102, 276666, 351153, 414999, 468204, 507221, 553332, 702306, 829998, 1014442, 1404612, 1521663, 1659996, 2028884, 3043326, 4564989, 6086652, 9129978, 18259956]

約数ペア:

[(1, 18259956), (2, 9129978), (3, 6086652), (4, 4564989), (6, 3043326), (9, 2028884), (11, 1659996), (12, 1521663), (13, 1404612), (18, 1014442), (22, 829998), (26, 702306), (33, 553332), (36, 507221), (39, 468204), (44, 414999), (52, 351153), (66, 276666), (78, 234102), (99, 184444), (117, 156068), (132, 138333), (143, 127692), (156, 117051), (198, 92222), (234, 78034), (286, 63846), (396, 46111), (429, 42564), (468, 39017), (572, 31923), (858, 21282), (1287, 14188), (1716, 10641), (2574, 7094), (3547, 5148)]