18938838

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 20044842

約数列:

[1, 2, 3, 6, 47, 94, 141, 239, 281, 282, 478, 562, 717, 843, 1434, 1686, 11233, 13207, 22466, 26414, 33699, 39621, 67159, 67398, 79242, 134318, 201477, 402954, 3156473, 6312946, 9469419, 18938838]

約数ペア:

[(1, 18938838), (2, 9469419), (3, 6312946), (6, 3156473), (47, 402954), (94, 201477), (141, 134318), (239, 79242), (281, 67398), (282, 67159), (478, 39621), (562, 33699), (717, 26414), (843, 22466), (1434, 13207), (1686, 11233)]