19790008

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 44328960

約数和(自身を除く): 24538952

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 73, 94, 103, 146, 188, 206, 292, 329, 376, 412, 511, 584, 658, 721, 824, 1022, 1316, 1442, 2044, 2632, 2884, 3431, 4088, 4841, 5768, 6862, 7519, 9682, 13724, 15038, 19364, 24017, 27448, 30076, 33887, 38728, 48034, 52633, 60152, 67774, 96068, 105266, 135548, 192136, 210532, 271096, 353393, 421064, 706786, 1413572, 2473751, 2827144, 4947502, 9895004, 19790008]

約数ペア:

[(1, 19790008), (2, 9895004), (4, 4947502), (7, 2827144), (8, 2473751), (14, 1413572), (28, 706786), (47, 421064), (56, 353393), (73, 271096), (94, 210532), (103, 192136), (146, 135548), (188, 105266), (206, 96068), (292, 67774), (329, 60152), (376, 52633), (412, 48034), (511, 38728), (584, 33887), (658, 30076), (721, 27448), (824, 24017), (1022, 19364), (1316, 15038), (1442, 13724), (2044, 9682), (2632, 7519), (2884, 6862), (3431, 5768), (4088, 4841)]