19111281

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 32065536

約数和(自身を除く): 12954255

約数列:

[1, 3, 7, 17, 21, 47, 51, 67, 119, 141, 201, 289, 329, 357, 469, 799, 867, 987, 1139, 1407, 2023, 2397, 3149, 3417, 5593, 6069, 7973, 9447, 13583, 16779, 19363, 22043, 23919, 40749, 53533, 58089, 66129, 95081, 135541, 160599, 285243, 374731, 406623, 910061, 1124193, 2730183, 6370427, 19111281]

約数ペア:

[(1, 19111281), (3, 6370427), (7, 2730183), (17, 1124193), (21, 910061), (47, 406623), (51, 374731), (67, 285243), (119, 160599), (141, 135541), (201, 95081), (289, 66129), (329, 58089), (357, 53533), (469, 40749), (799, 23919), (867, 22043), (987, 19363), (1139, 16779), (1407, 13583), (2023, 9447), (2397, 7973), (3149, 6069), (3417, 5593)]