17860388

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 38855040

約数和(自身を除く): 20994652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 353, 364, 556, 706, 973, 1412, 1807, 1946, 2471, 3614, 3892, 4589, 4942, 7228, 9178, 9884, 12649, 18356, 25298, 32123, 49067, 50596, 64246, 98134, 128492, 196268, 343469, 637871, 686938, 1275742, 1373876, 2551484, 4465097, 8930194, 17860388]

約数ペア:

[(1, 17860388), (2, 8930194), (4, 4465097), (7, 2551484), (13, 1373876), (14, 1275742), (26, 686938), (28, 637871), (52, 343469), (91, 196268), (139, 128492), (182, 98134), (278, 64246), (353, 50596), (364, 49067), (556, 32123), (706, 25298), (973, 18356), (1412, 12649), (1807, 9884), (1946, 9178), (2471, 7228), (3614, 4942), (3892, 4589)]