18946480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1471}}^1$

素因数の和:1514

約数の個数: 80

約数和(自身を含む): 52568064

約数和(自身を除く): 33621584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1471, 1610, 1840, 2576, 2942, 3220, 5884, 6440, 7355, 10297, 11768, 12880, 14710, 20594, 23536, 29420, 33833, 41188, 51485, 58840, 67666, 82376, 102970, 117680, 135332, 164752, 169165, 205940, 236831, 270664, 338330, 411880, 473662, 541328, 676660, 823760, 947324, 1184155, 1353320, 1894648, 2368310, 2706640, 3789296, 4736620, 9473240, 18946480]

約数ペア:

[(1, 18946480), (2, 9473240), (4, 4736620), (5, 3789296), (7, 2706640), (8, 2368310), (10, 1894648), (14, 1353320), (16, 1184155), (20, 947324), (23, 823760), (28, 676660), (35, 541328), (40, 473662), (46, 411880), (56, 338330), (70, 270664), (80, 236831), (92, 205940), (112, 169165), (115, 164752), (140, 135332), (161, 117680), (184, 102970), (230, 82376), (280, 67666), (322, 58840), (368, 51485), (460, 41188), (560, 33833), (644, 29420), (805, 23536), (920, 20594), (1288, 14710), (1471, 12880), (1610, 11768), (1840, 10297), (2576, 7355), (2942, 6440), (3220, 5884)]