19415858

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19291342

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 83, 98, 154, 166, 217, 341, 343, 434, 539, 581, 682, 686, 913, 1078, 1162, 1519, 1826, 2387, 2573, 3038, 3773, 4067, 4774, 5146, 6391, 7546, 8134, 10633, 12782, 16709, 18011, 21266, 28303, 28469, 33418, 36022, 44737, 56606, 56938, 89474, 116963, 126077, 198121, 233926, 252154, 313159, 396242, 626318, 882539, 1386847, 1765078, 2773694, 9707929, 19415858]

約数ペア:

[(1, 19415858), (2, 9707929), (7, 2773694), (11, 1765078), (14, 1386847), (22, 882539), (31, 626318), (49, 396242), (62, 313159), (77, 252154), (83, 233926), (98, 198121), (154, 126077), (166, 116963), (217, 89474), (341, 56938), (343, 56606), (434, 44737), (539, 36022), (581, 33418), (682, 28469), (686, 28303), (913, 21266), (1078, 18011), (1162, 16709), (1519, 12782), (1826, 10633), (2387, 8134), (2573, 7546), (3038, 6391), (3773, 5146), (4067, 4774)]