19742760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 64738440

約数和(自身を除く): 44995680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 173, 180, 317, 346, 360, 519, 634, 692, 865, 951, 1038, 1268, 1384, 1557, 1585, 1730, 1902, 2076, 2536, 2595, 2853, 3114, 3170, 3460, 3804, 4152, 4755, 5190, 5706, 6228, 6340, 6920, 7608, 7785, 9510, 10380, 11412, 12456, 12680, 14265, 15570, 19020, 20760, 22824, 28530, 31140, 38040, 54841, 57060, 62280, 109682, 114120, 164523, 219364, 274205, 329046, 438728, 493569, 548410, 658092, 822615, 987138, 1096820, 1316184, 1645230, 1974276, 2193640, 2467845, 3290460, 3948552, 4935690, 6580920, 9871380, 19742760]

約数ペア:

[(1, 19742760), (2, 9871380), (3, 6580920), (4, 4935690), (5, 3948552), (6, 3290460), (8, 2467845), (9, 2193640), (10, 1974276), (12, 1645230), (15, 1316184), (18, 1096820), (20, 987138), (24, 822615), (30, 658092), (36, 548410), (40, 493569), (45, 438728), (60, 329046), (72, 274205), (90, 219364), (120, 164523), (173, 114120), (180, 109682), (317, 62280), (346, 57060), (360, 54841), (519, 38040), (634, 31140), (692, 28530), (865, 22824), (951, 20760), (1038, 19020), (1268, 15570), (1384, 14265), (1557, 12680), (1585, 12456), (1730, 11412), (1902, 10380), (2076, 9510), (2536, 7785), (2595, 7608), (2853, 6920), (3114, 6340), (3170, 6228), (3460, 5706), (3804, 5190), (4152, 4755)]