19311480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17881}}^1$

素因数の和:17901

約数の個数: 64

約数和(自身を含む): 64375200

約数和(自身を除く): 45063720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 17881, 35762, 53643, 71524, 89405, 107286, 143048, 160929, 178810, 214572, 268215, 321858, 357620, 429144, 482787, 536430, 643716, 715240, 804645, 965574, 1072860, 1287432, 1609290, 1931148, 2145720, 2413935, 3218580, 3862296, 4827870, 6437160, 9655740, 19311480]

約数ペア:

[(1, 19311480), (2, 9655740), (3, 6437160), (4, 4827870), (5, 3862296), (6, 3218580), (8, 2413935), (9, 2145720), (10, 1931148), (12, 1609290), (15, 1287432), (18, 1072860), (20, 965574), (24, 804645), (27, 715240), (30, 643716), (36, 536430), (40, 482787), (45, 429144), (54, 357620), (60, 321858), (72, 268215), (90, 214572), (108, 178810), (120, 160929), (135, 143048), (180, 107286), (216, 89405), (270, 71524), (360, 53643), (540, 35762), (1080, 17881)]