18557056

素因数分解:

$2^7\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 42840000

約数和(自身を除く): 24282944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 149, 224, 278, 298, 448, 556, 596, 896, 973, 1043, 1112, 1192, 1946, 2086, 2224, 2384, 3892, 4172, 4448, 4768, 7784, 8344, 8896, 9536, 15568, 16688, 17792, 19072, 20711, 31136, 33376, 41422, 62272, 66752, 82844, 124544, 133504, 144977, 165688, 289954, 331376, 579908, 662752, 1159816, 1325504, 2319632, 2651008, 4639264, 9278528, 18557056]

約数ペア:

[(1, 18557056), (2, 9278528), (4, 4639264), (7, 2651008), (8, 2319632), (14, 1325504), (16, 1159816), (28, 662752), (32, 579908), (56, 331376), (64, 289954), (112, 165688), (128, 144977), (139, 133504), (149, 124544), (224, 82844), (278, 66752), (298, 62272), (448, 41422), (556, 33376), (596, 31136), (896, 20711), (973, 19072), (1043, 17792), (1112, 16688), (1192, 15568), (1946, 9536), (2086, 8896), (2224, 8344), (2384, 7784), (3892, 4768), (4172, 4448)]