18815284

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 33784128

約数和(自身を除く): 14968844

約数列:

[1, 2, 4, 71, 97, 142, 194, 284, 388, 683, 1366, 2732, 6887, 13774, 27548, 48493, 66251, 96986, 132502, 193972, 265004, 4703821, 9407642, 18815284]

約数ペア:

[(1, 18815284), (2, 9407642), (4, 4703821), (71, 265004), (97, 193972), (142, 132502), (194, 96986), (284, 66251), (388, 48493), (683, 27548), (1366, 13774), (2732, 6887)]