18909136

素因数分解:

$2^4\times {\mathrm{907}}^1\times {\mathrm{1303}}^1$

素因数の和:2218

約数の個数: 20

約数和(自身を含む): 36704992

約数和(自身を除く): 17795856

約数列:

[1, 2, 4, 8, 16, 907, 1303, 1814, 2606, 3628, 5212, 7256, 10424, 14512, 20848, 1181821, 2363642, 4727284, 9454568, 18909136]

約数ペア:

[(1, 18909136), (2, 9454568), (4, 4727284), (8, 2363642), (16, 1181821), (907, 20848), (1303, 14512), (1814, 10424), (2606, 7256), (3628, 5212)]