18937005645

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1\times {\mathrm{16937}}^1$

素因数の和:17645

約数の個数: 32

約数和(自身を含む): 30585962880

約数和(自身を除く): 11648957235

約数列:

[1, 3, 5, 15, 131, 393, 569, 655, 1707, 1965, 2845, 8535, 16937, 50811, 74539, 84685, 223617, 254055, 372695, 1118085, 2218747, 6656241, 9637153, 11093735, 28911459, 33281205, 48185765, 144557295, 1262467043, 3787401129, 6312335215, 18937005645]

約数ペア:

[(1, 18937005645), (3, 6312335215), (5, 3787401129), (15, 1262467043), (131, 144557295), (393, 48185765), (569, 33281205), (655, 28911459), (1707, 11093735), (1965, 9637153), (2845, 6656241), (8535, 2218747), (16937, 1118085), (50811, 372695), (74539, 254055), (84685, 223617)]