19097793

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 34856640

約数和(自身を除く): 15758847

約数列:

[1, 3, 9, 11, 13, 19, 33, 39, 57, 71, 99, 117, 121, 143, 171, 209, 213, 247, 363, 429, 627, 639, 741, 781, 923, 1089, 1287, 1349, 1573, 1881, 2223, 2299, 2343, 2717, 2769, 4047, 4719, 6897, 7029, 8151, 8307, 8591, 10153, 12141, 14157, 14839, 17537, 20691, 24453, 25773, 29887, 30459, 44517, 52611, 77319, 89661, 91377, 111683, 133551, 157833, 163229, 192907, 268983, 335049, 489687, 578721, 1005147, 1469061, 1736163, 2121977, 6365931, 19097793]

約数ペア:

[(1, 19097793), (3, 6365931), (9, 2121977), (11, 1736163), (13, 1469061), (19, 1005147), (33, 578721), (39, 489687), (57, 335049), (71, 268983), (99, 192907), (117, 163229), (121, 157833), (143, 133551), (171, 111683), (209, 91377), (213, 89661), (247, 77319), (363, 52611), (429, 44517), (627, 30459), (639, 29887), (741, 25773), (781, 24453), (923, 20691), (1089, 17537), (1287, 14839), (1349, 14157), (1573, 12141), (1881, 10153), (2223, 8591), (2299, 8307), (2343, 8151), (2717, 7029), (2769, 6897), (4047, 4719)]