18910242

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:615

約数の個数: 48

約数和(自身を含む): 44448768

約数和(自身を除く): 25538526

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 211, 234, 383, 422, 633, 766, 1149, 1266, 1899, 2298, 2743, 3447, 3798, 4979, 5486, 6894, 8229, 9958, 14937, 16458, 24687, 29874, 44811, 49374, 80813, 89622, 161626, 242439, 484878, 727317, 1050569, 1454634, 2101138, 3151707, 6303414, 9455121, 18910242]

約数ペア:

[(1, 18910242), (2, 9455121), (3, 6303414), (6, 3151707), (9, 2101138), (13, 1454634), (18, 1050569), (26, 727317), (39, 484878), (78, 242439), (117, 161626), (211, 89622), (234, 80813), (383, 49374), (422, 44811), (633, 29874), (766, 24687), (1149, 16458), (1266, 14937), (1899, 9958), (2298, 8229), (2743, 6894), (3447, 5486), (3798, 4979)]