18997080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6883}}^1$

素因数の和:6920

約数の個数: 64

約数和(自身を含む): 59477760

約数和(自身を除く): 40480680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 6883, 13766, 20649, 27532, 34415, 41298, 55064, 68830, 82596, 103245, 137660, 158309, 165192, 206490, 275320, 316618, 412980, 474927, 633236, 791545, 825960, 949854, 1266472, 1583090, 1899708, 2374635, 3166180, 3799416, 4749270, 6332360, 9498540, 18997080]

約数ペア:

[(1, 18997080), (2, 9498540), (3, 6332360), (4, 4749270), (5, 3799416), (6, 3166180), (8, 2374635), (10, 1899708), (12, 1583090), (15, 1266472), (20, 949854), (23, 825960), (24, 791545), (30, 633236), (40, 474927), (46, 412980), (60, 316618), (69, 275320), (92, 206490), (115, 165192), (120, 158309), (138, 137660), (184, 103245), (230, 82596), (276, 68830), (345, 55064), (460, 41298), (552, 34415), (690, 27532), (920, 20649), (1380, 13766), (2760, 6883)]