19493572

素因数分解:

$2^2\times 7^2\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:656

約数の個数: 36

約数和(自身を含む): 39938304

約数和(自身を除く): 20444732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 271, 367, 542, 734, 1084, 1468, 1897, 2569, 3794, 5138, 7588, 10276, 13279, 17983, 26558, 35966, 53116, 71932, 99457, 198914, 397828, 696199, 1392398, 2784796, 4873393, 9746786, 19493572]

約数ペア:

[(1, 19493572), (2, 9746786), (4, 4873393), (7, 2784796), (14, 1392398), (28, 696199), (49, 397828), (98, 198914), (196, 99457), (271, 71932), (367, 53116), (542, 35966), (734, 26558), (1084, 17983), (1468, 13279), (1897, 10276), (2569, 7588), (3794, 5138)]