19906072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:955

約数の個数: 32

約数和(自身を含む): 39567600

約数和(自身を除く): 19661528

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 173, 346, 692, 757, 1384, 1514, 3028, 3287, 6056, 6574, 13148, 14383, 26296, 28766, 57532, 115064, 130961, 261922, 523844, 1047688, 2488259, 4976518, 9953036, 19906072]

約数ペア:

[(1, 19906072), (2, 9953036), (4, 4976518), (8, 2488259), (19, 1047688), (38, 523844), (76, 261922), (152, 130961), (173, 115064), (346, 57532), (692, 28766), (757, 26296), (1384, 14383), (1514, 13148), (3028, 6574), (3287, 6056)]