19684986

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 20534214

約数列:

[1, 2, 3, 6, 97, 149, 194, 227, 291, 298, 447, 454, 582, 681, 894, 1362, 14453, 22019, 28906, 33823, 43359, 44038, 66057, 67646, 86718, 101469, 132114, 202938, 3280831, 6561662, 9842493, 19684986]

約数ペア:

[(1, 19684986), (2, 9842493), (3, 6561662), (6, 3280831), (97, 202938), (149, 132114), (194, 101469), (227, 86718), (291, 67646), (298, 66057), (447, 44038), (454, 43359), (582, 33823), (681, 28906), (894, 22019), (1362, 14453)]