19221111

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7823}}^1$

素因数の和:7852

約数の個数: 32

約数和(自身を含む): 35051520

約数和(自身を除く): 15830409

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7823, 23469, 54761, 70407, 101699, 164283, 211221, 305097, 492849, 711893, 915291, 1478547, 2135679, 2745873, 6407037, 19221111]

約数ペア:

[(1, 19221111), (3, 6407037), (7, 2745873), (9, 2135679), (13, 1478547), (21, 915291), (27, 711893), (39, 492849), (63, 305097), (91, 211221), (117, 164283), (189, 101699), (273, 70407), (351, 54761), (819, 23469), (2457, 7823)]