1804990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 3615840

約数和(自身を除く): 1810850

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 269, 305, 538, 610, 671, 1342, 1345, 2690, 2959, 3355, 5918, 6710, 14795, 16409, 29590, 32818, 82045, 164090, 180499, 360998, 902495, 1804990]

約数ペア:

[(1, 1804990), (2, 902495), (5, 360998), (10, 180499), (11, 164090), (22, 82045), (55, 32818), (61, 29590), (110, 16409), (122, 14795), (269, 6710), (305, 5918), (538, 3355), (610, 2959), (671, 2690), (1342, 1345)]