19983425

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1483}}^1$

素因数の和:1518

約数の個数: 36

約数和(自身を含む): 31466736

約数和(自身を除く): 11483311

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 1225, 1483, 1925, 2695, 7415, 10381, 13475, 16313, 37075, 51905, 72667, 81565, 114191, 259525, 363335, 407825, 570955, 799337, 1816675, 2854775, 3996685, 19983425]

約数ペア:

[(1, 19983425), (5, 3996685), (7, 2854775), (11, 1816675), (25, 799337), (35, 570955), (49, 407825), (55, 363335), (77, 259525), (175, 114191), (245, 81565), (275, 72667), (385, 51905), (539, 37075), (1225, 16313), (1483, 13475), (1925, 10381), (2695, 7415)]