1813580451140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{4504447}}^1$

素因数の和:4504988

約数の個数: 48

約数和(自身を含む): 3909356365824

約数和(自身を除く): 2095775914684

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 491, 820, 982, 1964, 2455, 4910, 9820, 20131, 40262, 80524, 100655, 201310, 402620, 4504447, 9008894, 18017788, 22522235, 45044470, 90088940, 184682327, 369364654, 738729308, 923411635, 1846823270, 2211683477, 3693646540, 4423366954, 8846733908, 11058417385, 22116834770, 44233669540, 90679022557, 181358045114, 362716090228, 453395112785, 906790225570, 1813580451140]

約数ペア:

[(1, 1813580451140), (2, 906790225570), (4, 453395112785), (5, 362716090228), (10, 181358045114), (20, 90679022557), (41, 44233669540), (82, 22116834770), (164, 11058417385), (205, 8846733908), (410, 4423366954), (491, 3693646540), (820, 2211683477), (982, 1846823270), (1964, 923411635), (2455, 738729308), (4910, 369364654), (9820, 184682327), (20131, 90088940), (40262, 45044470), (80524, 22522235), (100655, 18017788), (201310, 9008894), (402620, 4504447)]