19515812

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1217}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 36150240

約数和(自身を除く): 16634428

約数列:

[1, 2, 4, 19, 38, 76, 211, 422, 844, 1217, 2434, 4009, 4868, 8018, 16036, 23123, 46246, 92492, 256787, 513574, 1027148, 4878953, 9757906, 19515812]

約数ペア:

[(1, 19515812), (2, 9757906), (4, 4878953), (19, 1027148), (38, 513574), (76, 256787), (211, 92492), (422, 46246), (844, 23123), (1217, 16036), (2434, 8018), (4009, 4868)]