19177906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13916750

約数列:

[1, 2, 11, 22, 23, 46, 151, 251, 253, 302, 502, 506, 1661, 2761, 3322, 3473, 5522, 5773, 6946, 11546, 37901, 38203, 63503, 75802, 76406, 127006, 416911, 833822, 871723, 1743446, 9588953, 19177906]

約数ペア:

[(1, 19177906), (2, 9588953), (11, 1743446), (22, 871723), (23, 833822), (46, 416911), (151, 127006), (251, 76406), (253, 75802), (302, 63503), (502, 38203), (506, 37901), (1661, 11546), (2761, 6946), (3322, 5773), (3473, 5522)]