19890676737

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{7219}}^1$

素因数の和:7419

約数の個数: 64

約数和(自身を含む): 32022144000

約数和(自身を除く): 12131467263

約数列:

[1, 3, 9, 19, 27, 41, 57, 123, 131, 171, 369, 393, 513, 779, 1107, 1179, 2337, 2489, 3537, 5371, 7011, 7219, 7467, 16113, 21033, 21657, 22401, 48339, 64971, 67203, 102049, 137161, 145017, 194913, 295979, 306147, 411483, 887937, 918441, 945689, 1234449, 2663811, 2755323, 2837067, 3703347, 5623601, 7991433, 8511201, 16870803, 17968091, 25533603, 38773249, 50612409, 53904273, 116319747, 151837227, 161712819, 348959241, 485138457, 736691731, 1046877723, 2210075193, 6630225579, 19890676737]

約数ペア:

[(1, 19890676737), (3, 6630225579), (9, 2210075193), (19, 1046877723), (27, 736691731), (41, 485138457), (57, 348959241), (123, 161712819), (131, 151837227), (171, 116319747), (369, 53904273), (393, 50612409), (513, 38773249), (779, 25533603), (1107, 17968091), (1179, 16870803), (2337, 8511201), (2489, 7991433), (3537, 5623601), (5371, 3703347), (7011, 2837067), (7219, 2755323), (7467, 2663811), (16113, 1234449), (21033, 945689), (21657, 918441), (22401, 887937), (48339, 411483), (64971, 306147), (67203, 295979), (102049, 194913), (137161, 145017)]