19021730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20903}}^1$

素因数の和:20930

約数の個数: 32

約数和(自身を含む): 42142464

約数和(自身を除く): 23120734

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20903, 41806, 104515, 146321, 209030, 271739, 292642, 543478, 731605, 1358695, 1463210, 1902173, 2717390, 3804346, 9510865, 19021730]

約数ペア:

[(1, 19021730), (2, 9510865), (5, 3804346), (7, 2717390), (10, 1902173), (13, 1463210), (14, 1358695), (26, 731605), (35, 543478), (65, 292642), (70, 271739), (91, 209030), (130, 146321), (182, 104515), (455, 41806), (910, 20903)]