18897539728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{226307}}^1$

素因数の和:226639

約数の個数: 40

約数和(自身を含む): 38894198112

約数和(自身を除く): 19996658384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 307, 614, 1228, 2456, 4912, 5219, 10438, 20876, 41752, 83504, 226307, 452614, 905228, 1810456, 3620912, 3847219, 7694438, 15388876, 30777752, 61555504, 69476249, 138952498, 277904996, 555809992, 1111619984, 1181096233, 2362192466, 4724384932, 9448769864, 18897539728]

約数ペア:

[(1, 18897539728), (2, 9448769864), (4, 4724384932), (8, 2362192466), (16, 1181096233), (17, 1111619984), (34, 555809992), (68, 277904996), (136, 138952498), (272, 69476249), (307, 61555504), (614, 30777752), (1228, 15388876), (2456, 7694438), (4912, 3847219), (5219, 3620912), (10438, 1810456), (20876, 905228), (41752, 452614), (83504, 226307)]