18214960

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3119}}^1$

素因数の和:3205

約数の個数: 40

約数和(自身を含む): 42943680

約数和(自身を除く): 24728720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3119, 5840, 6238, 12476, 15595, 24952, 31190, 49904, 62380, 124760, 227687, 249520, 455374, 910748, 1138435, 1821496, 2276870, 3642992, 4553740, 9107480, 18214960]

約数ペア:

[(1, 18214960), (2, 9107480), (4, 4553740), (5, 3642992), (8, 2276870), (10, 1821496), (16, 1138435), (20, 910748), (40, 455374), (73, 249520), (80, 227687), (146, 124760), (292, 62380), (365, 49904), (584, 31190), (730, 24952), (1168, 15595), (1460, 12476), (2920, 6238), (3119, 5840)]