18996473144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{26987}}^1$

素因数の和:27444

約数の個数: 64

約数和(自身を含む): 41000169600

約数和(自身を除く): 22003696456

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 421, 836, 842, 1672, 1684, 3368, 4631, 7999, 9262, 15998, 18524, 26987, 31996, 37048, 53974, 63992, 87989, 107948, 175978, 215896, 296857, 351956, 512753, 593714, 703912, 1025506, 1187428, 2051012, 2374856, 4102024, 5640283, 11280566, 11361527, 22561132, 22723054, 45122264, 45446108, 90892216, 124976797, 215869013, 249953594, 431738026, 499907188, 863476052, 999814376, 1726952104, 2374559143, 4749118286, 9498236572, 18996473144]

約数ペア:

[(1, 18996473144), (2, 9498236572), (4, 4749118286), (8, 2374559143), (11, 1726952104), (19, 999814376), (22, 863476052), (38, 499907188), (44, 431738026), (76, 249953594), (88, 215869013), (152, 124976797), (209, 90892216), (418, 45446108), (421, 45122264), (836, 22723054), (842, 22561132), (1672, 11361527), (1684, 11280566), (3368, 5640283), (4631, 4102024), (7999, 2374856), (9262, 2051012), (15998, 1187428), (18524, 1025506), (26987, 703912), (31996, 593714), (37048, 512753), (53974, 351956), (63992, 296857), (87989, 215896), (107948, 175978)]