19630161

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 32

約数和(自身を含む): 30720000

約数和(自身を除く): 11089839

約数列:

[1, 3, 9, 27, 31, 47, 93, 141, 279, 423, 499, 837, 1269, 1457, 1497, 4371, 4491, 13113, 13473, 15469, 23453, 39339, 46407, 70359, 139221, 211077, 417663, 633231, 727043, 2181129, 6543387, 19630161]

約数ペア:

[(1, 19630161), (3, 6543387), (9, 2181129), (27, 727043), (31, 633231), (47, 417663), (93, 211077), (141, 139221), (279, 70359), (423, 46407), (499, 39339), (837, 23453), (1269, 15469), (1457, 13473), (1497, 13113), (4371, 4491)]