18179900

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1327}}^1$

素因数の和:1478

約数の個数: 36

約数和(自身を含む): 39768288

約数和(自身を除く): 21588388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1327, 1370, 2654, 2740, 3425, 5308, 6635, 6850, 13270, 13700, 26540, 33175, 66350, 132700, 181799, 363598, 727196, 908995, 1817990, 3635980, 4544975, 9089950, 18179900]

約数ペア:

[(1, 18179900), (2, 9089950), (4, 4544975), (5, 3635980), (10, 1817990), (20, 908995), (25, 727196), (50, 363598), (100, 181799), (137, 132700), (274, 66350), (548, 33175), (685, 26540), (1327, 13700), (1370, 13270), (2654, 6850), (2740, 6635), (3425, 5308)]