19542781424

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39400769}}^1$

素因数の和:39400808

約数の個数: 20

約数和(自身を含む): 39085563840

約数和(自身を除く): 19542782416

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39400769, 78801538, 157603076, 315206152, 630412304, 1221423839, 2442847678, 4885695356, 9771390712, 19542781424]

約数ペア:

[(1, 19542781424), (2, 9771390712), (4, 4885695356), (8, 2442847678), (16, 1221423839), (31, 630412304), (62, 315206152), (124, 157603076), (248, 78801538), (496, 39400769)]