18738195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3797}}^1$

素因数の和:3859

約数の個数: 32

約数和(自身を含む): 35002368

約数和(自身を除く): 16264173

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 3797, 4935, 11391, 18985, 26579, 56955, 79737, 132895, 178459, 398685, 535377, 892295, 1249213, 2676885, 3747639, 6246065, 18738195]

約数ペア:

[(1, 18738195), (3, 6246065), (5, 3747639), (7, 2676885), (15, 1249213), (21, 892295), (35, 535377), (47, 398685), (105, 178459), (141, 132895), (235, 79737), (329, 56955), (705, 26579), (987, 18985), (1645, 11391), (3797, 4935)]