19677952

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 45785600

約数和(自身を除く): 26107648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 139, 158, 224, 256, 278, 316, 448, 553, 556, 632, 896, 973, 1106, 1112, 1264, 1792, 1946, 2212, 2224, 2528, 3892, 4424, 4448, 5056, 7784, 8848, 8896, 10112, 10981, 15568, 17696, 17792, 20224, 21962, 31136, 35392, 35584, 43924, 62272, 70784, 76867, 87848, 124544, 141568, 153734, 175696, 249088, 307468, 351392, 614936, 702784, 1229872, 1405568, 2459744, 2811136, 4919488, 9838976, 19677952]

約数ペア:

[(1, 19677952), (2, 9838976), (4, 4919488), (7, 2811136), (8, 2459744), (14, 1405568), (16, 1229872), (28, 702784), (32, 614936), (56, 351392), (64, 307468), (79, 249088), (112, 175696), (128, 153734), (139, 141568), (158, 124544), (224, 87848), (256, 76867), (278, 70784), (316, 62272), (448, 43924), (553, 35584), (556, 35392), (632, 31136), (896, 21962), (973, 20224), (1106, 17792), (1112, 17696), (1264, 15568), (1792, 10981), (1946, 10112), (2212, 8896), (2224, 8848), (2528, 7784), (3892, 5056), (4424, 4448)]