19838549927

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1\times {\mathrm{1831}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 23869347840

約数和(自身を除く): 4030797913

約数列:

[1, 7, 23, 161, 173, 389, 1211, 1831, 2723, 3979, 8947, 12817, 27853, 42113, 62629, 67297, 294791, 316763, 471079, 712259, 1547831, 2217341, 4985813, 7285549, 10834817, 16381957, 50998843, 114673699, 123220807, 862545649, 2834078561, 19838549927]

約数ペア:

[(1, 19838549927), (7, 2834078561), (23, 862545649), (161, 123220807), (173, 114673699), (389, 50998843), (1211, 16381957), (1831, 10834817), (2723, 7285549), (3979, 4985813), (8947, 2217341), (12817, 1547831), (27853, 712259), (42113, 471079), (62629, 316763), (67297, 294791)]