17991612

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{7243}}^1$

素因数の和:7279

約数の個数: 48

約数和(自身を含む): 48679680

約数和(自身を除く): 30688068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 414, 621, 828, 1242, 2484, 7243, 14486, 21729, 28972, 43458, 65187, 86916, 130374, 166589, 195561, 260748, 333178, 391122, 499767, 666356, 782244, 999534, 1499301, 1999068, 2998602, 4497903, 5997204, 8995806, 17991612]

約数ペア:

[(1, 17991612), (2, 8995806), (3, 5997204), (4, 4497903), (6, 2998602), (9, 1999068), (12, 1499301), (18, 999534), (23, 782244), (27, 666356), (36, 499767), (46, 391122), (54, 333178), (69, 260748), (92, 195561), (108, 166589), (138, 130374), (207, 86916), (276, 65187), (414, 43458), (621, 28972), (828, 21729), (1242, 14486), (2484, 7243)]