18898712

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 42366960

約数和(自身を除く): 23468248

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1303, 1813, 2072, 2606, 3626, 5212, 7252, 9121, 10424, 14504, 18242, 36484, 48211, 63847, 72968, 96422, 127694, 192844, 255388, 337477, 385688, 510776, 674954, 1349908, 2362339, 2699816, 4724678, 9449356, 18898712]

約数ペア:

[(1, 18898712), (2, 9449356), (4, 4724678), (7, 2699816), (8, 2362339), (14, 1349908), (28, 674954), (37, 510776), (49, 385688), (56, 337477), (74, 255388), (98, 192844), (148, 127694), (196, 96422), (259, 72968), (296, 63847), (392, 48211), (518, 36484), (1036, 18242), (1303, 14504), (1813, 10424), (2072, 9121), (2606, 7252), (3626, 5212)]