15919988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18341}}^1$

素因数の和:18383

約数の個数: 24

約数和(自身を含む): 32868864

約数和(自身を除く): 16948876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 18341, 36682, 73364, 128387, 256774, 513548, 568571, 1137142, 2274284, 3979997, 7959994, 15919988]

約数ペア:

[(1, 15919988), (2, 7959994), (4, 3979997), (7, 2274284), (14, 1137142), (28, 568571), (31, 513548), (62, 256774), (124, 128387), (217, 73364), (434, 36682), (868, 18341)]