18647068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:738

約数の個数: 36

約数和(自身を含む): 36532440

約数和(自身を除く): 17885372

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 121, 236, 242, 484, 649, 653, 1298, 1306, 2596, 2612, 7139, 7183, 14278, 14366, 28556, 28732, 38527, 77054, 79013, 154108, 158026, 316052, 423797, 847594, 1695188, 4661767, 9323534, 18647068]

約数ペア:

[(1, 18647068), (2, 9323534), (4, 4661767), (11, 1695188), (22, 847594), (44, 423797), (59, 316052), (118, 158026), (121, 154108), (236, 79013), (242, 77054), (484, 38527), (649, 28732), (653, 28556), (1298, 14366), (1306, 14278), (2596, 7183), (2612, 7139)]