18439197

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 10591203

約数列:

[1, 3, 7, 21, 71, 83, 149, 213, 249, 447, 497, 581, 1043, 1491, 1743, 3129, 5893, 10579, 12367, 17679, 31737, 37101, 41251, 74053, 86569, 123753, 222159, 259707, 878057, 2634171, 6146399, 18439197]

約数ペア:

[(1, 18439197), (3, 6146399), (7, 2634171), (21, 878057), (71, 259707), (83, 222159), (149, 123753), (213, 86569), (249, 74053), (447, 41251), (497, 37101), (581, 31737), (1043, 17679), (1491, 12367), (1743, 10579), (3129, 5893)]