19902584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6599}}^1$

素因数の和:6647

約数の個数: 32

約数和(自身を含む): 41580000

約数和(自身を除く): 21677416

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6599, 13198, 26396, 52792, 85787, 171574, 191371, 343148, 382742, 686296, 765484, 1530968, 2487823, 4975646, 9951292, 19902584]

約数ペア:

[(1, 19902584), (2, 9951292), (4, 4975646), (8, 2487823), (13, 1530968), (26, 765484), (29, 686296), (52, 382742), (58, 343148), (104, 191371), (116, 171574), (232, 85787), (377, 52792), (754, 26396), (1508, 13198), (3016, 6599)]