19821708

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4019}}^1$

素因数の和:4166

約数の個数: 36

約数和(自身を含む): 50483160

約数和(自身を除く): 30661452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4019, 4932, 8038, 12057, 16076, 24114, 36171, 48228, 72342, 144684, 550603, 1101206, 1651809, 2202412, 3303618, 4955427, 6607236, 9910854, 19821708]

約数ペア:

[(1, 19821708), (2, 9910854), (3, 6607236), (4, 4955427), (6, 3303618), (9, 2202412), (12, 1651809), (18, 1101206), (36, 550603), (137, 144684), (274, 72342), (411, 48228), (548, 36171), (822, 24114), (1233, 16076), (1644, 12057), (2466, 8038), (4019, 4932)]