19518752

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{71}}^2$

素因数の和:174

約数の個数: 54

約数和(自身を含む): 42841827

約数和(自身を除く): 23323075

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 121, 142, 176, 242, 284, 352, 484, 568, 781, 968, 1136, 1562, 1936, 2272, 3124, 3872, 5041, 6248, 8591, 10082, 12496, 17182, 20164, 24992, 34364, 40328, 55451, 68728, 80656, 110902, 137456, 161312, 221804, 274912, 443608, 609961, 887216, 1219922, 1774432, 2439844, 4879688, 9759376, 19518752]

約数ペア:

[(1, 19518752), (2, 9759376), (4, 4879688), (8, 2439844), (11, 1774432), (16, 1219922), (22, 887216), (32, 609961), (44, 443608), (71, 274912), (88, 221804), (121, 161312), (142, 137456), (176, 110902), (242, 80656), (284, 68728), (352, 55451), (484, 40328), (568, 34364), (781, 24992), (968, 20164), (1136, 17182), (1562, 12496), (1936, 10082), (2272, 8591), (3124, 6248), (3872, 5041)]