19814728

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 38001600

約数和(自身を除く): 18186872

約数列:

[1, 2, 4, 8, 103, 139, 173, 206, 278, 346, 412, 556, 692, 824, 1112, 1384, 14317, 17819, 24047, 28634, 35638, 48094, 57268, 71276, 96188, 114536, 142552, 192376, 2476841, 4953682, 9907364, 19814728]

約数ペア:

[(1, 19814728), (2, 9907364), (4, 4953682), (8, 2476841), (103, 192376), (139, 142552), (173, 114536), (206, 96188), (278, 71276), (346, 57268), (412, 48094), (556, 35638), (692, 28634), (824, 24047), (1112, 17819), (1384, 14317)]