19713116

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 37159248

約数和(自身を除く): 17446132

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 97, 188, 194, 388, 1081, 2162, 2209, 2231, 4324, 4418, 4462, 4559, 8836, 8924, 9118, 18236, 50807, 101614, 104857, 203228, 209714, 214273, 419428, 428546, 857092, 4928279, 9856558, 19713116]

約数ペア:

[(1, 19713116), (2, 9856558), (4, 4928279), (23, 857092), (46, 428546), (47, 419428), (92, 214273), (94, 209714), (97, 203228), (188, 104857), (194, 101614), (388, 50807), (1081, 18236), (2162, 9118), (2209, 8924), (2231, 8836), (4324, 4559), (4418, 4462)]