19904598

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3853}}^1$

素因数の和:3909

約数の個数: 48

約数和(自身を含む): 50502816

約数和(自身を除く): 30598218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3853, 5166, 7706, 11559, 23118, 26971, 34677, 53942, 69354, 80913, 157973, 161826, 242739, 315946, 473919, 485478, 947838, 1105811, 1421757, 2211622, 2843514, 3317433, 6634866, 9952299, 19904598]

約数ペア:

[(1, 19904598), (2, 9952299), (3, 6634866), (6, 3317433), (7, 2843514), (9, 2211622), (14, 1421757), (18, 1105811), (21, 947838), (41, 485478), (42, 473919), (63, 315946), (82, 242739), (123, 161826), (126, 157973), (246, 80913), (287, 69354), (369, 53942), (574, 34677), (738, 26971), (861, 23118), (1722, 11559), (2583, 7706), (3853, 5166)]