19685142

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 45199440

約数和(自身を除く): 25514298

約数列:

[1, 2, 3, 6, 9, 18, 29, 43, 58, 86, 87, 129, 174, 258, 261, 387, 522, 774, 877, 1247, 1754, 2494, 2631, 3741, 5262, 7482, 7893, 11223, 15786, 22446, 25433, 37711, 50866, 75422, 76299, 113133, 152598, 226266, 228897, 339399, 457794, 678798, 1093619, 2187238, 3280857, 6561714, 9842571, 19685142]

約数ペア:

[(1, 19685142), (2, 9842571), (3, 6561714), (6, 3280857), (9, 2187238), (18, 1093619), (29, 678798), (43, 457794), (58, 339399), (86, 228897), (87, 226266), (129, 152598), (174, 113133), (258, 76299), (261, 75422), (387, 50866), (522, 37711), (774, 25433), (877, 22446), (1247, 15786), (1754, 11223), (2494, 7893), (2631, 7482), (3741, 5262)]