19028280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 57399840

約数和(自身を除く): 38371560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 617, 771, 1028, 1234, 1285, 1542, 1851, 2056, 2468, 2570, 3084, 3085, 3702, 3855, 4936, 5140, 6168, 6170, 7404, 7710, 9255, 10280, 12340, 14808, 15420, 18510, 24680, 30840, 37020, 74040, 158569, 317138, 475707, 634276, 792845, 951414, 1268552, 1585690, 1902828, 2378535, 3171380, 3805656, 4757070, 6342760, 9514140, 19028280]

約数ペア:

[(1, 19028280), (2, 9514140), (3, 6342760), (4, 4757070), (5, 3805656), (6, 3171380), (8, 2378535), (10, 1902828), (12, 1585690), (15, 1268552), (20, 951414), (24, 792845), (30, 634276), (40, 475707), (60, 317138), (120, 158569), (257, 74040), (514, 37020), (617, 30840), (771, 24680), (1028, 18510), (1234, 15420), (1285, 14808), (1542, 12340), (1851, 10280), (2056, 9255), (2468, 7710), (2570, 7404), (3084, 6170), (3085, 6168), (3702, 5140), (3855, 4936)]