19991872

素因数分解:

$2^6\times {\mathrm{239}}^1\times {\mathrm{1307}}^1$

素因数の和:1558

約数の個数: 28

約数和(自身を含む): 39867840

約数和(自身を除く): 19875968

約数列:

[1, 2, 4, 8, 16, 32, 64, 239, 478, 956, 1307, 1912, 2614, 3824, 5228, 7648, 10456, 15296, 20912, 41824, 83648, 312373, 624746, 1249492, 2498984, 4997968, 9995936, 19991872]

約数ペア:

[(1, 19991872), (2, 9995936), (4, 4997968), (8, 2498984), (16, 1249492), (32, 624746), (64, 312373), (239, 83648), (478, 41824), (956, 20912), (1307, 15296), (1912, 10456), (2614, 7648), (3824, 5228)]