19643256

素因数分解:

$2^3\times 3^3\times {\mathrm{211}}^1\times {\mathrm{431}}^1$

素因数の和:657

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 35307144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 211, 216, 422, 431, 633, 844, 862, 1266, 1293, 1688, 1724, 1899, 2532, 2586, 3448, 3798, 3879, 5064, 5172, 5697, 7596, 7758, 10344, 11394, 11637, 15192, 15516, 22788, 23274, 31032, 45576, 46548, 90941, 93096, 181882, 272823, 363764, 545646, 727528, 818469, 1091292, 1636938, 2182584, 2455407, 3273876, 4910814, 6547752, 9821628, 19643256]

約数ペア:

[(1, 19643256), (2, 9821628), (3, 6547752), (4, 4910814), (6, 3273876), (8, 2455407), (9, 2182584), (12, 1636938), (18, 1091292), (24, 818469), (27, 727528), (36, 545646), (54, 363764), (72, 272823), (108, 181882), (211, 93096), (216, 90941), (422, 46548), (431, 45576), (633, 31032), (844, 23274), (862, 22788), (1266, 15516), (1293, 15192), (1688, 11637), (1724, 11394), (1899, 10344), (2532, 7758), (2586, 7596), (3448, 5697), (3798, 5172), (3879, 5064)]