19438952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 39433800

約数和(自身を除く): 19994848

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 457, 818, 914, 1636, 1828, 3272, 3656, 5317, 5941, 10634, 11882, 21268, 23764, 42536, 47528, 186913, 373826, 747652, 1495304, 2429869, 4859738, 9719476, 19438952]

約数ペア:

[(1, 19438952), (2, 9719476), (4, 4859738), (8, 2429869), (13, 1495304), (26, 747652), (52, 373826), (104, 186913), (409, 47528), (457, 42536), (818, 23764), (914, 21268), (1636, 11882), (1828, 10634), (3272, 5941), (3656, 5317)]