19064991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 28753920

約数和(自身を除く): 9688929

約数列:

[1, 3, 11, 33, 71, 79, 103, 213, 237, 309, 781, 869, 1133, 2343, 2607, 3399, 5609, 7313, 8137, 16827, 21939, 24411, 61699, 80443, 89507, 185097, 241329, 268521, 577727, 1733181, 6354997, 19064991]

約数ペア:

[(1, 19064991), (3, 6354997), (11, 1733181), (33, 577727), (71, 268521), (79, 241329), (103, 185097), (213, 89507), (237, 80443), (309, 61699), (781, 24411), (869, 21939), (1133, 16827), (2343, 8137), (2607, 7313), (3399, 5609)]