15891676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1225

約数の個数: 24

約数和(自身を含む): 29442560

約数和(自身を除く): 13550884

約数列:

[1, 2, 4, 19, 38, 76, 211, 422, 844, 991, 1982, 3964, 4009, 8018, 16036, 18829, 37658, 75316, 209101, 418202, 836404, 3972919, 7945838, 15891676]

約数ペア:

[(1, 15891676), (2, 7945838), (4, 3972919), (19, 836404), (38, 418202), (76, 209101), (211, 75316), (422, 37658), (844, 18829), (991, 16036), (1982, 8018), (3964, 4009)]