18372328

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 19574552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 127, 169, 214, 254, 338, 428, 508, 676, 856, 1016, 1352, 1391, 1651, 2782, 3302, 5564, 6604, 11128, 13208, 13589, 18083, 21463, 27178, 36166, 42926, 54356, 72332, 85852, 108712, 144664, 171704, 176657, 353314, 706628, 1413256, 2296541, 4593082, 9186164, 18372328]

約数ペア:

[(1, 18372328), (2, 9186164), (4, 4593082), (8, 2296541), (13, 1413256), (26, 706628), (52, 353314), (104, 176657), (107, 171704), (127, 144664), (169, 108712), (214, 85852), (254, 72332), (338, 54356), (428, 42926), (508, 36166), (676, 27178), (856, 21463), (1016, 18083), (1352, 13589), (1391, 13208), (1651, 11128), (2782, 6604), (3302, 5564)]