18051320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2844

約数の個数: 64

約数和(自身を含む): 48453120

約数和(自身を除く): 30401800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2803, 3220, 5606, 6440, 11212, 14015, 19621, 22424, 28030, 39242, 56060, 64469, 78484, 98105, 112120, 128938, 156968, 196210, 257876, 322345, 392420, 451283, 515752, 644690, 784840, 902566, 1289380, 1805132, 2256415, 2578760, 3610264, 4512830, 9025660, 18051320]

約数ペア:

[(1, 18051320), (2, 9025660), (4, 4512830), (5, 3610264), (7, 2578760), (8, 2256415), (10, 1805132), (14, 1289380), (20, 902566), (23, 784840), (28, 644690), (35, 515752), (40, 451283), (46, 392420), (56, 322345), (70, 257876), (92, 196210), (115, 156968), (140, 128938), (161, 112120), (184, 98105), (230, 78484), (280, 64469), (322, 56060), (460, 39242), (644, 28030), (805, 22424), (920, 19621), (1288, 14015), (1610, 11212), (2803, 6440), (3220, 5606)]