19109485

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 24523128

約数和(自身を除く): 5413643

約数列:

[1, 5, 31, 41, 97, 155, 205, 485, 961, 1271, 3007, 3977, 4805, 6355, 15035, 19885, 39401, 93217, 123287, 197005, 466085, 616435, 3821897, 19109485]

約数ペア:

[(1, 19109485), (5, 3821897), (31, 616435), (41, 466085), (97, 197005), (155, 123287), (205, 93217), (485, 39401), (961, 19885), (1271, 15035), (3007, 6355), (3977, 4805)]