2018011945

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{15817}}^1$

素因数の和:15937

約数の個数: 32

約数和(自身を含む): 2733350400

約数和(自身を除く): 715338455

約数列:

[1, 5, 17, 19, 79, 85, 95, 323, 395, 1343, 1501, 1615, 6715, 7505, 15817, 25517, 79085, 127585, 268889, 300523, 1249543, 1344445, 1502615, 5108891, 6247715, 21242231, 23741317, 25544455, 106211155, 118706585, 403602389, 2018011945]

約数ペア:

[(1, 2018011945), (5, 403602389), (17, 118706585), (19, 106211155), (79, 25544455), (85, 23741317), (95, 21242231), (323, 6247715), (395, 5108891), (1343, 1502615), (1501, 1344445), (1615, 1249543), (6715, 300523), (7505, 268889), (15817, 127585), (25517, 79085)]