19367985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2027}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 38840256

約数和(自身を除く): 19472271

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2027, 3185, 6081, 9555, 10135, 14189, 26351, 30405, 42567, 70945, 79053, 99323, 131755, 184457, 212835, 297969, 395265, 496615, 553371, 922285, 1291199, 1489845, 2766855, 3873597, 6455995, 19367985]

約数ペア:

[(1, 19367985), (3, 6455995), (5, 3873597), (7, 2766855), (13, 1489845), (15, 1291199), (21, 922285), (35, 553371), (39, 496615), (49, 395265), (65, 297969), (91, 212835), (105, 184457), (147, 131755), (195, 99323), (245, 79053), (273, 70945), (455, 42567), (637, 30405), (735, 26351), (1365, 14189), (1911, 10135), (2027, 9555), (3185, 6081)]