19869654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 48254976

約数和(自身を除く): 28385322

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 67, 69, 134, 138, 161, 201, 307, 322, 402, 469, 483, 614, 921, 938, 966, 1407, 1541, 1842, 2149, 2814, 3082, 4298, 4623, 6447, 7061, 9246, 10787, 12894, 14122, 20569, 21183, 21574, 32361, 41138, 42366, 49427, 61707, 64722, 98854, 123414, 143983, 148281, 287966, 296562, 431949, 473087, 863898, 946174, 1419261, 2838522, 3311609, 6623218, 9934827, 19869654]

約数ペア:

[(1, 19869654), (2, 9934827), (3, 6623218), (6, 3311609), (7, 2838522), (14, 1419261), (21, 946174), (23, 863898), (42, 473087), (46, 431949), (67, 296562), (69, 287966), (134, 148281), (138, 143983), (161, 123414), (201, 98854), (307, 64722), (322, 61707), (402, 49427), (469, 42366), (483, 41138), (614, 32361), (921, 21574), (938, 21183), (966, 20569), (1407, 14122), (1541, 12894), (1842, 10787), (2149, 9246), (2814, 7061), (3082, 6447), (4298, 4623)]