18984910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{739}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 39214080

約数和(自身を除く): 20229170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 367, 734, 739, 1478, 1835, 2569, 3670, 3695, 5138, 5173, 7390, 10346, 12845, 25690, 25865, 51730, 271213, 542426, 1356065, 1898491, 2712130, 3796982, 9492455, 18984910]

約数ペア:

[(1, 18984910), (2, 9492455), (5, 3796982), (7, 2712130), (10, 1898491), (14, 1356065), (35, 542426), (70, 271213), (367, 51730), (734, 25865), (739, 25690), (1478, 12845), (1835, 10346), (2569, 7390), (3670, 5173), (3695, 5138)]