18888968546

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{270329}}^1$

素因数の和:270399

約数の個数: 48

約数和(自身を含む): 35501898240

約数和(自身を除く): 16612929694

約数列:

[1, 2, 7, 14, 23, 31, 46, 49, 62, 98, 161, 217, 322, 434, 713, 1127, 1426, 1519, 2254, 3038, 4991, 9982, 34937, 69874, 270329, 540658, 1892303, 3784606, 6217567, 8380199, 12435134, 13246121, 16760398, 26492242, 43522969, 58661393, 87045938, 117322786, 192744577, 304660783, 385489154, 410629751, 609321566, 821259502, 1349212039, 2698424078, 9444484273, 18888968546]

約数ペア:

[(1, 18888968546), (2, 9444484273), (7, 2698424078), (14, 1349212039), (23, 821259502), (31, 609321566), (46, 410629751), (49, 385489154), (62, 304660783), (98, 192744577), (161, 117322786), (217, 87045938), (322, 58661393), (434, 43522969), (713, 26492242), (1127, 16760398), (1426, 13246121), (1519, 12435134), (2254, 8380199), (3038, 6217567), (4991, 3784606), (9982, 1892303), (34937, 540658), (69874, 270329)]