19251218

素因数分解:

$2^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 40

約数和(自身を含む): 35628720

約数和(自身を除く): 16377502

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 211, 266, 343, 422, 686, 931, 1477, 1862, 2401, 2954, 4009, 4802, 6517, 8018, 10339, 13034, 20678, 28063, 45619, 56126, 72373, 91238, 144746, 196441, 392882, 506611, 1013222, 1375087, 2750174, 9625609, 19251218]

約数ペア:

[(1, 19251218), (2, 9625609), (7, 2750174), (14, 1375087), (19, 1013222), (38, 506611), (49, 392882), (98, 196441), (133, 144746), (211, 91238), (266, 72373), (343, 56126), (422, 45619), (686, 28063), (931, 20678), (1477, 13034), (1862, 10339), (2401, 8018), (2954, 6517), (4009, 4802)]