19402292

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 42185472

約数和(自身を除く): 22783180

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 151, 182, 302, 353, 364, 604, 706, 1057, 1412, 1963, 2114, 2471, 3926, 4228, 4589, 4942, 7852, 9178, 9884, 13741, 18356, 27482, 32123, 53303, 54964, 64246, 106606, 128492, 213212, 373121, 692939, 746242, 1385878, 1492484, 2771756, 4850573, 9701146, 19402292]

約数ペア:

[(1, 19402292), (2, 9701146), (4, 4850573), (7, 2771756), (13, 1492484), (14, 1385878), (26, 746242), (28, 692939), (52, 373121), (91, 213212), (151, 128492), (182, 106606), (302, 64246), (353, 54964), (364, 53303), (604, 32123), (706, 27482), (1057, 18356), (1412, 13741), (1963, 9884), (2114, 9178), (2471, 7852), (3926, 4942), (4228, 4589)]