18765068

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 39325440

約数和(自身を除く): 20560372

約数列:

[1, 2, 4, 7, 14, 28, 37, 59, 74, 118, 148, 236, 259, 307, 413, 518, 614, 826, 1036, 1228, 1652, 2149, 2183, 4298, 4366, 8596, 8732, 11359, 15281, 18113, 22718, 30562, 36226, 45436, 61124, 72452, 79513, 126791, 159026, 253582, 318052, 507164, 670181, 1340362, 2680724, 4691267, 9382534, 18765068]

約数ペア:

[(1, 18765068), (2, 9382534), (4, 4691267), (7, 2680724), (14, 1340362), (28, 670181), (37, 507164), (59, 318052), (74, 253582), (118, 159026), (148, 126791), (236, 79513), (259, 72452), (307, 61124), (413, 45436), (518, 36226), (614, 30562), (826, 22718), (1036, 18113), (1228, 15281), (1652, 11359), (2149, 8732), (2183, 8596), (4298, 4366)]