19539544

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 18476456

約数列:

[1, 2, 4, 8, 43, 79, 86, 158, 172, 316, 344, 632, 719, 1438, 2876, 3397, 5752, 6794, 13588, 27176, 30917, 56801, 61834, 113602, 123668, 227204, 247336, 454408, 2442443, 4884886, 9769772, 19539544]

約数ペア:

[(1, 19539544), (2, 9769772), (4, 4884886), (8, 2442443), (43, 454408), (79, 247336), (86, 227204), (158, 123668), (172, 113602), (316, 61834), (344, 56801), (632, 30917), (719, 27176), (1438, 13588), (2876, 6794), (3397, 5752)]