19380425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1529

約数の個数: 24

約数和(自身を含む): 26284032

約数和(自身を除く): 6903607

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 1471, 2635, 7355, 13175, 25007, 36775, 45601, 125035, 228005, 625175, 775217, 1140025, 3876085, 19380425]

約数ペア:

[(1, 19380425), (5, 3876085), (17, 1140025), (25, 775217), (31, 625175), (85, 228005), (155, 125035), (425, 45601), (527, 36775), (775, 25007), (1471, 13175), (2635, 7355)]