19292049

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 34145280

約数和(自身を除く): 14853231

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 71, 133, 171, 213, 227, 399, 497, 639, 681, 1197, 1349, 1491, 1589, 2043, 4047, 4313, 4473, 4767, 9443, 12141, 12939, 14301, 16117, 28329, 30191, 38817, 48351, 84987, 90573, 112819, 145053, 271719, 306223, 338457, 918669, 1015371, 2143561, 2756007, 6430683, 19292049]

約数ペア:

[(1, 19292049), (3, 6430683), (7, 2756007), (9, 2143561), (19, 1015371), (21, 918669), (57, 338457), (63, 306223), (71, 271719), (133, 145053), (171, 112819), (213, 90573), (227, 84987), (399, 48351), (497, 38817), (639, 30191), (681, 28329), (1197, 16117), (1349, 14301), (1491, 12939), (1589, 12141), (2043, 9443), (4047, 4767), (4313, 4473)]