18560828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:942

約数の個数: 48

約数和(自身を含む): 39236064

約数和(自身を除く): 20675236

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 877, 962, 1628, 1754, 1924, 3508, 5291, 9647, 10582, 11401, 19294, 21164, 22802, 32449, 38588, 45604, 64898, 125411, 129796, 250822, 356939, 421837, 501644, 713878, 843674, 1427756, 1687348, 4640207, 9280414, 18560828]

約数ペア:

[(1, 18560828), (2, 9280414), (4, 4640207), (11, 1687348), (13, 1427756), (22, 843674), (26, 713878), (37, 501644), (44, 421837), (52, 356939), (74, 250822), (143, 129796), (148, 125411), (286, 64898), (407, 45604), (481, 38588), (572, 32449), (814, 22802), (877, 21164), (962, 19294), (1628, 11401), (1754, 10582), (1924, 9647), (3508, 5291)]