19220312

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{947}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 37540800

約数和(自身を除く): 18320488

約数列:

[1, 2, 4, 8, 43, 59, 86, 118, 172, 236, 344, 472, 947, 1894, 2537, 3788, 5074, 7576, 10148, 20296, 40721, 55873, 81442, 111746, 162884, 223492, 325768, 446984, 2402539, 4805078, 9610156, 19220312]

約数ペア:

[(1, 19220312), (2, 9610156), (4, 4805078), (8, 2402539), (43, 446984), (59, 325768), (86, 223492), (118, 162884), (172, 111746), (236, 81442), (344, 55873), (472, 40721), (947, 20296), (1894, 10148), (2537, 7576), (3788, 5074)]