19420860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{751}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 54577152

約数和(自身を除く): 35156292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 751, 862, 1293, 1502, 1724, 2155, 2253, 2586, 3004, 3755, 4310, 4506, 5172, 6465, 7510, 8620, 9012, 11265, 12930, 15020, 22530, 25860, 45060, 323681, 647362, 971043, 1294724, 1618405, 1942086, 3236810, 3884172, 4855215, 6473620, 9710430, 19420860]

約数ペア:

[(1, 19420860), (2, 9710430), (3, 6473620), (4, 4855215), (5, 3884172), (6, 3236810), (10, 1942086), (12, 1618405), (15, 1294724), (20, 971043), (30, 647362), (60, 323681), (431, 45060), (751, 25860), (862, 22530), (1293, 15020), (1502, 12930), (1724, 11265), (2155, 9012), (2253, 8620), (2586, 7510), (3004, 6465), (3755, 5172), (4310, 4506)]