19192173

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 35661024

約数和(自身を除く): 16468851

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 83, 91, 121, 143, 147, 231, 249, 273, 363, 429, 539, 581, 637, 847, 913, 1001, 1079, 1573, 1617, 1743, 1911, 2541, 2739, 3003, 3237, 4067, 4719, 5929, 6391, 7007, 7553, 10043, 11011, 11869, 12201, 17787, 19173, 21021, 22659, 30129, 33033, 35607, 44737, 52871, 70301, 77077, 83083, 130559, 134211, 158613, 210903, 231231, 249249, 391677, 492107, 581581, 913913, 1476321, 1744743, 2741739, 6397391, 19192173]

約数ペア:

[(1, 19192173), (3, 6397391), (7, 2741739), (11, 1744743), (13, 1476321), (21, 913913), (33, 581581), (39, 492107), (49, 391677), (77, 249249), (83, 231231), (91, 210903), (121, 158613), (143, 134211), (147, 130559), (231, 83083), (249, 77077), (273, 70301), (363, 52871), (429, 44737), (539, 35607), (581, 33033), (637, 30129), (847, 22659), (913, 21021), (1001, 19173), (1079, 17787), (1573, 12201), (1617, 11869), (1743, 11011), (1911, 10043), (2541, 7553), (2739, 7007), (3003, 6391), (3237, 5929), (4067, 4719)]