18769760

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1607}}^1$

素因数の和:1695

約数の個数: 48

約数和(自身を含む): 44978976

約数和(自身を除く): 26209216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1607, 2336, 2920, 3214, 5840, 6428, 8035, 11680, 12856, 16070, 25712, 32140, 51424, 64280, 117311, 128560, 234622, 257120, 469244, 586555, 938488, 1173110, 1876976, 2346220, 3753952, 4692440, 9384880, 18769760]

約数ペア:

[(1, 18769760), (2, 9384880), (4, 4692440), (5, 3753952), (8, 2346220), (10, 1876976), (16, 1173110), (20, 938488), (32, 586555), (40, 469244), (73, 257120), (80, 234622), (146, 128560), (160, 117311), (292, 64280), (365, 51424), (584, 32140), (730, 25712), (1168, 16070), (1460, 12856), (1607, 11680), (2336, 8035), (2920, 6428), (3214, 5840)]