19404512

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{631}}^1$

素因数の和:703

約数の個数: 36

約数和(自身を含む): 39537288

約数和(自身を除く): 20132776

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 631, 961, 992, 1262, 1922, 2524, 3844, 5048, 7688, 10096, 15376, 19561, 20192, 30752, 39122, 78244, 156488, 312976, 606391, 625952, 1212782, 2425564, 4851128, 9702256, 19404512]

約数ペア:

[(1, 19404512), (2, 9702256), (4, 4851128), (8, 2425564), (16, 1212782), (31, 625952), (32, 606391), (62, 312976), (124, 156488), (248, 78244), (496, 39122), (631, 30752), (961, 20192), (992, 19561), (1262, 15376), (1922, 10096), (2524, 7688), (3844, 5048)]