19975098

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 48513024

約数和(自身を除く): 28537926

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 78, 93, 143, 186, 286, 341, 403, 429, 682, 751, 806, 858, 1023, 1209, 1502, 2046, 2253, 2418, 4433, 4506, 8261, 8866, 9763, 13299, 16522, 19526, 23281, 24783, 26598, 29289, 46562, 49566, 58578, 69843, 107393, 139686, 214786, 256091, 302653, 322179, 512182, 605306, 644358, 768273, 907959, 1536546, 1815918, 3329183, 6658366, 9987549, 19975098]

約数ペア:

[(1, 19975098), (2, 9987549), (3, 6658366), (6, 3329183), (11, 1815918), (13, 1536546), (22, 907959), (26, 768273), (31, 644358), (33, 605306), (39, 512182), (62, 322179), (66, 302653), (78, 256091), (93, 214786), (143, 139686), (186, 107393), (286, 69843), (341, 58578), (403, 49566), (429, 46562), (682, 29289), (751, 26598), (806, 24783), (858, 23281), (1023, 19526), (1209, 16522), (1502, 13299), (2046, 9763), (2253, 8866), (2418, 8261), (4433, 4506)]