18993768

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1862

約数の個数: 64

約数和(自身を含む): 52185600

約数和(自身を除く): 33191832

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 46, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 437, 456, 552, 874, 1311, 1748, 1811, 2622, 3496, 3622, 5244, 5433, 7244, 10488, 10866, 14488, 21732, 34409, 41653, 43464, 68818, 83306, 103227, 124959, 137636, 166612, 206454, 249918, 275272, 333224, 412908, 499836, 791407, 825816, 999672, 1582814, 2374221, 3165628, 4748442, 6331256, 9496884, 18993768]

約数ペア:

[(1, 18993768), (2, 9496884), (3, 6331256), (4, 4748442), (6, 3165628), (8, 2374221), (12, 1582814), (19, 999672), (23, 825816), (24, 791407), (38, 499836), (46, 412908), (57, 333224), (69, 275272), (76, 249918), (92, 206454), (114, 166612), (138, 137636), (152, 124959), (184, 103227), (228, 83306), (276, 68818), (437, 43464), (456, 41653), (552, 34409), (874, 21732), (1311, 14488), (1748, 10866), (1811, 10488), (2622, 7244), (3496, 5433), (3622, 5244)]