19870728194

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{1951}}^1\times {\mathrm{118429}}^1$

素因数の和:120425

約数の個数: 16

約数和(自身を含む): 30515147520

約数和(自身を除く): 10644419326

約数列:

[1, 2, 43, 86, 1951, 3902, 83893, 118429, 167786, 236858, 5092447, 10184894, 231054979, 462109958, 9935364097, 19870728194]

約数ペア:

[(1, 19870728194), (2, 9935364097), (43, 462109958), (86, 231054979), (1951, 10184894), (3902, 5092447), (83893, 236858), (118429, 167786)]