19497478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9739}}^1$

素因数の和:9772

約数の個数: 32

約数和(自身を含む): 39271680

約数和(自身を除く): 19774202

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 9739, 19478, 68173, 107129, 126607, 136346, 214258, 253214, 749903, 886249, 1392677, 1499806, 1772498, 2785354, 9748739, 19497478]

約数ペア:

[(1, 19497478), (2, 9748739), (7, 2785354), (11, 1772498), (13, 1499806), (14, 1392677), (22, 886249), (26, 749903), (77, 253214), (91, 214258), (143, 136346), (154, 126607), (182, 107129), (286, 68173), (1001, 19478), (2002, 9739)]