19967402

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2239}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 37632000

約数和(自身を除く): 17664598

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2239, 4459, 4478, 8918, 15673, 29107, 31346, 58214, 109711, 203749, 219422, 407498, 767977, 1426243, 1535954, 2852486, 9983701, 19967402]

約数ペア:

[(1, 19967402), (2, 9983701), (7, 2852486), (13, 1535954), (14, 1426243), (26, 767977), (49, 407498), (91, 219422), (98, 203749), (182, 109711), (343, 58214), (637, 31346), (686, 29107), (1274, 15673), (2239, 8918), (4459, 4478)]