19666504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17191}}^1$

素因数の和:17221

約数の個数: 32

約数和(自身を含む): 43323840

約数和(自身を除く): 23657336

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17191, 34382, 68764, 137528, 189101, 223483, 378202, 446966, 756404, 893932, 1512808, 1787864, 2458313, 4916626, 9833252, 19666504]

約数ペア:

[(1, 19666504), (2, 9833252), (4, 4916626), (8, 2458313), (11, 1787864), (13, 1512808), (22, 893932), (26, 756404), (44, 446966), (52, 378202), (88, 223483), (104, 189101), (143, 137528), (286, 68764), (572, 34382), (1144, 17191)]