18615896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9421}}^1$

素因数の和:9459

約数の個数: 32

約数和(自身を含む): 39572400

約数和(自身を除く): 20956504

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9421, 18842, 37684, 75368, 122473, 178999, 244946, 357998, 489892, 715996, 979784, 1431992, 2326987, 4653974, 9307948, 18615896]

約数ペア:

[(1, 18615896), (2, 9307948), (4, 4653974), (8, 2326987), (13, 1431992), (19, 979784), (26, 715996), (38, 489892), (52, 357998), (76, 244946), (104, 178999), (152, 122473), (247, 75368), (494, 37684), (988, 18842), (1976, 9421)]