19801194

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1433}}^1$

素因数の和:1499

約数の個数: 48

約数和(自身を含む): 47081088

約数和(自身を除く): 27279894

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 658, 987, 1433, 1974, 2303, 2866, 4299, 4606, 6909, 8598, 10031, 13818, 20062, 30093, 60186, 67351, 70217, 134702, 140434, 202053, 210651, 404106, 421302, 471457, 942914, 1414371, 2828742, 3300199, 6600398, 9900597, 19801194]

約数ペア:

[(1, 19801194), (2, 9900597), (3, 6600398), (6, 3300199), (7, 2828742), (14, 1414371), (21, 942914), (42, 471457), (47, 421302), (49, 404106), (94, 210651), (98, 202053), (141, 140434), (147, 134702), (282, 70217), (294, 67351), (329, 60186), (658, 30093), (987, 20062), (1433, 13818), (1974, 10031), (2303, 8598), (2866, 6909), (4299, 4606)]