19948566

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{739}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 43689600

約数和(自身を除く): 23741034

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 409, 739, 818, 1227, 1478, 2217, 2454, 4434, 4499, 8129, 8998, 13497, 16258, 24387, 26994, 48774, 302251, 604502, 906753, 1813506, 3324761, 6649522, 9974283, 19948566]

約数ペア:

[(1, 19948566), (2, 9974283), (3, 6649522), (6, 3324761), (11, 1813506), (22, 906753), (33, 604502), (66, 302251), (409, 48774), (739, 26994), (818, 24387), (1227, 16258), (1478, 13497), (2217, 8998), (2454, 8129), (4434, 4499)]