19471947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 29410560

約数和(自身を除く): 9938613

約数列:

[1, 3, 11, 33, 59, 73, 137, 177, 219, 411, 649, 803, 1507, 1947, 2409, 4307, 4521, 8083, 10001, 12921, 24249, 30003, 47377, 88913, 110011, 142131, 266739, 330033, 590059, 1770177, 6490649, 19471947]

約数ペア:

[(1, 19471947), (3, 6490649), (11, 1770177), (33, 590059), (59, 330033), (73, 266739), (137, 142131), (177, 110011), (219, 88913), (411, 47377), (649, 30003), (803, 24249), (1507, 12921), (1947, 10001), (2409, 8083), (4307, 4521)]