18457936

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1699}}^1$

素因数の和:1811

約数の個数: 40

約数和(自身を含む): 41316800

約数和(自身を除く): 22858864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 1699, 2716, 3398, 5432, 6796, 10864, 11893, 13592, 23786, 27184, 47572, 95144, 164803, 190288, 329606, 659212, 1153621, 1318424, 2307242, 2636848, 4614484, 9228968, 18457936]

約数ペア:

[(1, 18457936), (2, 9228968), (4, 4614484), (7, 2636848), (8, 2307242), (14, 1318424), (16, 1153621), (28, 659212), (56, 329606), (97, 190288), (112, 164803), (194, 95144), (388, 47572), (679, 27184), (776, 23786), (1358, 13592), (1552, 11893), (1699, 10864), (2716, 6796), (3398, 5432)]