19073691

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1145

約数の個数: 48

約数和(自身を含む): 35431200

約数和(自身を除く): 16357509

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1109, 1323, 1911, 2457, 3327, 5733, 7763, 9981, 14417, 17199, 23289, 29943, 43251, 54341, 69867, 100919, 129753, 163023, 209601, 302757, 389259, 489069, 706433, 908271, 1467207, 2119299, 2724813, 6357897, 19073691]

約数ペア:

[(1, 19073691), (3, 6357897), (7, 2724813), (9, 2119299), (13, 1467207), (21, 908271), (27, 706433), (39, 489069), (49, 389259), (63, 302757), (91, 209601), (117, 163023), (147, 129753), (189, 100919), (273, 69867), (351, 54341), (441, 43251), (637, 29943), (819, 23289), (1109, 17199), (1323, 14417), (1911, 9981), (2457, 7763), (3327, 5733)]