19289085

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1277}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 33125760

約数和(自身を除く): 13836675

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1277, 3021, 3831, 5035, 6385, 15105, 19155, 24263, 67681, 72789, 121315, 203043, 338405, 363945, 1015215, 1285939, 3857817, 6429695, 19289085]

約数ペア:

[(1, 19289085), (3, 6429695), (5, 3857817), (15, 1285939), (19, 1015215), (53, 363945), (57, 338405), (95, 203043), (159, 121315), (265, 72789), (285, 67681), (795, 24263), (1007, 19155), (1277, 15105), (3021, 6385), (3831, 5035)]