19633328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8581}}^1$

素因数の和:8613

約数の個数: 40

約数和(自身を含む): 44695056

約数和(自身を除く): 25061728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8581, 17162, 34324, 68648, 94391, 111553, 137296, 188782, 223106, 377564, 446212, 755128, 892424, 1227083, 1510256, 1784848, 2454166, 4908332, 9816664, 19633328]

約数ペア:

[(1, 19633328), (2, 9816664), (4, 4908332), (8, 2454166), (11, 1784848), (13, 1510256), (16, 1227083), (22, 892424), (26, 755128), (44, 446212), (52, 377564), (88, 223106), (104, 188782), (143, 137296), (176, 111553), (208, 94391), (286, 68648), (572, 34324), (1144, 17162), (2288, 8581)]