19297005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 38750208

約数和(自身を除く): 19453203

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 67, 91, 105, 195, 201, 211, 273, 335, 455, 469, 633, 871, 1005, 1055, 1365, 1407, 1477, 2345, 2613, 2743, 3165, 4355, 4431, 6097, 7035, 7385, 8229, 13065, 13715, 14137, 18291, 19201, 22155, 30485, 41145, 42411, 57603, 70685, 91455, 96005, 98959, 183781, 212055, 288015, 296877, 494795, 551343, 918905, 1286467, 1484385, 2756715, 3859401, 6432335, 19297005]

約数ペア:

[(1, 19297005), (3, 6432335), (5, 3859401), (7, 2756715), (13, 1484385), (15, 1286467), (21, 918905), (35, 551343), (39, 494795), (65, 296877), (67, 288015), (91, 212055), (105, 183781), (195, 98959), (201, 96005), (211, 91455), (273, 70685), (335, 57603), (455, 42411), (469, 41145), (633, 30485), (871, 22155), (1005, 19201), (1055, 18291), (1365, 14137), (1407, 13715), (1477, 13065), (2345, 8229), (2613, 7385), (2743, 7035), (3165, 6097), (4355, 4431)]