19802958

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{349}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 46443600

約数和(自身を除く): 26640642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 193, 294, 349, 386, 579, 698, 1047, 1158, 1351, 2094, 2443, 2702, 4053, 4886, 7329, 8106, 9457, 14658, 17101, 18914, 28371, 34202, 51303, 56742, 67357, 102606, 134714, 202071, 404142, 471499, 942998, 1414497, 2828994, 3300493, 6600986, 9901479, 19802958]

約数ペア:

[(1, 19802958), (2, 9901479), (3, 6600986), (6, 3300493), (7, 2828994), (14, 1414497), (21, 942998), (42, 471499), (49, 404142), (98, 202071), (147, 134714), (193, 102606), (294, 67357), (349, 56742), (386, 51303), (579, 34202), (698, 28371), (1047, 18914), (1158, 17101), (1351, 14658), (2094, 9457), (2443, 8106), (2702, 7329), (4053, 4886)]