19497884

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3258

約数の個数: 36

約数和(自身を含む): 40985280

約数和(自身を除く): 21487396

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3209, 6076, 6418, 12836, 22463, 44926, 89852, 99479, 157241, 198958, 314482, 397916, 628964, 696353, 1392706, 2785412, 4874471, 9748942, 19497884]

約数ペア:

[(1, 19497884), (2, 9748942), (4, 4874471), (7, 2785412), (14, 1392706), (28, 696353), (31, 628964), (49, 397916), (62, 314482), (98, 198958), (124, 157241), (196, 99479), (217, 89852), (434, 44926), (868, 22463), (1519, 12836), (3038, 6418), (3209, 6076)]