19418872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1481}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 40014000

約数和(自身を除く): 20595128

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1481, 1639, 2962, 3278, 5924, 6556, 11848, 13112, 16291, 32582, 65164, 130328, 220669, 441338, 882676, 1765352, 2427359, 4854718, 9709436, 19418872]

約数ペア:

[(1, 19418872), (2, 9709436), (4, 4854718), (8, 2427359), (11, 1765352), (22, 882676), (44, 441338), (88, 220669), (149, 130328), (298, 65164), (596, 32582), (1192, 16291), (1481, 13112), (1639, 11848), (2962, 6556), (3278, 5924)]